OPINION
In this case, the plaintiffs present a constitutional challenge to a provision of Pennsylvania’s Health Care Services Malpractice ’ Act (the Act), Pa.Stat.Ann. tit. 40, §§ 1301.101 et seq. (Purdon Supp.1987). Specifically, the plaintiffs question the constitutionality of the provision establishing the Medical Professional Liability Catastrophe Loss Fund (the CAT Fund), Pa.Stat. Ann. tit. 40, §§ 1301.701(d), (e) and (f) (Purdon Supp.1988). The parties have filed cross motions for summary judgment.
I. FACTS
The CAT Fund was established as an integral component of a complete overhaul of the medical malpractice insurance industry in Pennsylvania. In the early to middle 1970’s, insurance companies began to withdraw from the Pennsylvania medical malpractice insurance market because of the severe losses many companies were suffering due to an increase in successful medical malpractice claims. In order to forestall a complete evacuation of the market, the Commonwealth legislature enacted the Act. Although the immediate goal of the Act is to assure the availability of malpractice insurance for Pennsylvania doctors, the ultimate goal is to ensure that all victims of medical malpractice will be adequately and justly recompensed. Pa.Stat.Ann. tit. 40, § 1301.102 (Purdon Supp.1987).
A key element in attaining both of these goals is a provision which sets a limit on the liability of an insurance company in the event of a malpractice award against one of its insureds. Pa.Stat.Ann. tit. 40, § 1301.701(a)(1), (b) (Purdon Supp.1988). Health care providers, for their part, are required to carry malpractice insurance in an amount equal to this limit. To ensure full recovery by malpractice victims, the Act provides that malpractice victims can recover amounts awarded in excess of the limit from the CAT Fund. Pa.Stat.Ann. tit. 40, § 1301.701(d) (Purdon Supp.1987).
To finance the CAT Fund, an annual surcharge is set at a certain percentage of each health care provider’s insurance costs. This percentage is set so as to reimburse the CAT Fund for all claims and expenses paid out in the .year prior to the levy and to maintain a fifteen million dollar balance in the CAT Fund account. Pa.Stat.Ann. tit. 40, § 1301.701(e)(1) (Purdon Supp.1988). Since 1984, when it was 52 percent, this percentage rose steadily to 87 percent in 1986, and has dropped to 70 percent in 1988. The Act provides that any health care provider’s failure either to maintain the mandatory insurance or pay the CAT Fund surcharge shall result in the revocation or suspension of that health care provider’s license to practice medicine. Pa. Stat.Ann. tit. 40, § 1301.701(f) (Purdon Supp.1987).
The plaintiffs in this case, Louis Meier, M.D., Andrew Szebenyi, M.D., and Nelson Erlick, D.P.M., concede that they fall within the Act’s definition of health care”providers. 1 Consequently, in compliance with the *549 Act’s requirements, each plaintiff has in the past maintained adequate malpractice insurance and has paid the associated surcharge. 2 However, Dr. Szebenyi has not yet made his 1987 CAT Fund payment and, by permission of the Attorney General and the CAT Fund Director, need not do so until the constitutional issues raised herein are resolved. On the other hand, Dr. Meier’s request to make quarterly payments on his CAT Fund levy has been denied. Dr. Erlick has made the required payments for 1987.
II. DISCUSSION
A. Equal Protection
The right to practice one’s chosen profession, including medicine, is protected by both the due process clause and the equal protection clause of the fourteenth amendment.
Schware v. Board of Bar Examiners,
The plaintiffs contend that the CAT Fund violates the equal protection clause because it unreasonably discriminates between health care providers as defined in the Act, and other professionals such as chiropractors who are not subject to similar requirements. Their argument, therefore, at least in part, is that the statute is under-inclusive.
3
In support of this contention, the plaintiffs suggest that the right to practice one’s chosen profession is fundamental, and, therefore, that the CAT Fund should be strictly scrutinized to determine whether the distinction between health care providers and other professionals is “ ‘tailored’ narrowly to serve legitimate objectives.”
San Antonio Indep. School Dist. v. Rodriguez,
The plaintiffs err, however, in classifying the right to practice one’s chosen profession as a fundamental right. To be fundamental, a right must be “explicitly or implicitly guaranteed by the Constitution.”
Rodriguez,
To pass constitutional muster under the rational relation test, a statute must be rationally related to the achievement of a legitimate state interest.
Vance v. Bradley,
The constitutionality of the mandatory malpractice insurance component of the Act, Pa.Stat.Ann. tit. 40, § 1301.701(a) (Purdon Supp.1987), has already been sustained.
McCoy,
The CAT Fund attempts to achieve these goals by establishing a fund from which malpractice victims can recover amounts in excess of an insured’s policy limit. Pa. StatAnn. tit. 40, § 1301.701(d) (Purdon Supp.1987). In addition, the CAT Fund provides compensation for injuries inflicted by a physician who is retired or has relocated and is no longer covered by malpractice insurance. Id. The defendants argue that the distinction made by the Act is justified by the higher risks associated with surgery and other medical procedures than those associated with the practice of chiropractors and other professionals not covered by the Act. See Affidavit of Joseph Vacondios. Therefore, they imply, it is rational to target “health care providers” because it is their risky activities that are primarily responsible for increasingly numerous and large malpractice claims.
The plaintiffs have offered no evidence to counter this justification of the classification employed by the Act. Because the plaintiffs bear the burden of proving unconstitutionality under the rational relation test,
Parham v. Hughes,
Finally, “a statutory classification impinging upon no fundamental interest, and especially one dealing only with economic matters, need not be drawn so as to fit with precision the legitimate purposes animating it.”
Hughes v. Alexandria Scrap Corp.,
The plaintiffs also argue that the statute is over-inclusive—that is, that not only “high risk” doctors but also doctors with no prior malpractice claims are required to contribute to the CAT Fund. The Commonwealth legislature, however, could have reasonably believed that the viability of the fund, as with any insurance scheme, depends on spreading the costs and risks associated with medical malpractice claims among both “high” and “low” risk doctors.
See McCoy,
The Commonwealth legislature could also reasonably have believed that it was impossible accurately to predict, based on prior claims history, which doctors would commit acts of professional malpractice. If “low” risk doctors were given statutory exemptions and later committed malpractice, their victims might be left remediless. The legislature could reasonably have believed that justice would be better served by requiring universal participation by health care providers than by leaving open the possibility that some malpractice victims would be remediless. Finally, statutes challenged as overinclusive, like statutes challenged as underinclusive, need not be drawn with mathematical exactitude.
Dandridge,
B. Substantive Due Process
In addition to their equal protection claim, the plaintiffs claim that the CAT Fund provision violates their substantive due process rights. Having concluded that the Act does not violate the equal protection clause, it arguably “follows a fortiori that the Act does not violate the Fourteenth Amendment’s Due Process Clause.”
Minnesota v. Clover Leaf Creamery Co.,
It is true, as plaintiffs contend, that the right to practice one’s chosen profes
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sion free from
unreasonable
governmental interference falls within the “liberty” and “property” concepts of the fifth and fourteenth amendments.
Greene v. McElroy,
The Commonwealth has legitimate interests in regulating the practice of medicine,
Eatough,
Turning to the rational relation inquiry, the relevant issue in the substantive due process context is whether the provision itself, rather than the classification, is rationally related to the achievement of a legitimate state purpose.
Maimed,
The CAT Fund was formulated as “the legislative quid pro quo to insurance companies’ continuing to provide malpractice insurance coverage in Pennsylvania.”
McCoy,
The ultimate goal of the Act, assurance of a full recovery by malpractice victims, is achieved by the establishment of the CAT Fund from which victims may draw the proceeds of a verdict which exceeds the carriers’ liability. The Commonwealth legislature could have reasonably believed that the CAT Fund would directly promote full recovery by medical malpractice victims. Therefore, “[r]egardless of the ultimate economic efficacy of the statute,”
see, e.g.,
Hofflander & Nye,
Medical Malpractice Insurance in Pennsylvania
at 49 (1985), I “have no hesitancy in concluding that it bears a reasonable relation to the [Commonwealth’s] legitimate purpose in controlling” the medical malpractice insurance market in Pennsylvania.
Exxon Corp. v. Governor of Maryland,
The plaintiffs also argue that the Act creates two irrebutable presumptions in violation of the due process clause of the fourteenth amendment. The plaintiffs maintain that the Act presumes both “that each individual physician will be actionably negligent while practicing his profession during the course of his career,” and “that no health care provider will have sufficient assets to compensate a patient for injuries relating to the physician’s treatment of the patient.”
The plaintiffs’ contention, in the first place, is simply incorrect. The Act does not presume that all doctors will be action-ably negligent; rather, it presumes that all doctors might be actionably negligent, and that, given the difficulty of predicting which doctors will be negligent, it is reasonable to require all doctors to contribute to a fund designed to compensate malpractice victims. Nor does the Act presume that no doctor will ever have sufficient assets to compensate a patient for his or her injuries; in fact, the Act presumes that some doctors will be capable of adopting self-insurance plans sufficient to comply with the Act’s basic coverage requirements. See Pa.Stat.Ann. tit. 40, § 1301.701(a), (a)(l)(i), (a)(1)®, (a)(2) (Purdon Supp.1988). With respect to the CAT Fund surcharge, the Act presumes only that, given the difficulty of predicting which doctors will be actionably negligent, given the impossibility of predicting the amount of any liability judgment that will be entered against a negligent doctor, and given the need to ensure the economic viability of the Fund, it is reasonable to require contributions from all health care providers in proportion to their basic coverage premiums.
More importantly, irrebuttable presumption attacks are premised on a request to the court that the plaintiff be allowed to rebut the statutory presumption on the ground that “the Due Process Clause require^] a more individualized determination.”
Cleveland Bd. of Educ. v. LaFleur,
The object of the plaintiffs’ irrebuttable presumption attack seems instead to be the reasonableness of the legislature’s supposed reliance on these presumptions in fashioning the statutory scheme of the Act. See Plaintiffs’ Memorandum at 18 (“Neither one of these presumptions is totally true yet the Act’s purpose of compensating health care victims seems to be clearly based on them.”). To the extent that this is the crux of the plaintiffs’ argument, it is clearly foreclosed by my finding that the Act is rationally related to legitimate state interests and therefore comports with the requirements of the due process clause of the fourteenth amendment. 5
C. Takings Clause
The plaintiffs contest the constitutionality of the Act on the additional ground that assessing the CAT Fund surcharge against all doctors — instead of placing the burden of compensating malpractice victims on society as a whole, or solely on those doctors who commit acts of malpractice — constitutes a “taking” in violation of the fifth and fourteenth amendments. In support of this contention, plaintiffs make reference to the decision of the United States Supreme Court in
Nollan v. California Coastal Comm’n,
— U.S. -,
In
Nollan,
the Court stated that “land use regulation does not effect a taking if it ‘substantially advance[s] legitimate state interests’ and does not ‘den[y] an owner economically viable use of his land.’ ”
Nollan,
First, with respect to the nature of the governmental action, the Commonwealth has not physically invaded or permanently appropriated for its own use any of plaintiffs’ assets. Instead, the Act requires doctors to maintain medical malpractice insurance and to contribute an additional percentage of their insurance premium to the CAT Fund. The Act safeguards malprac
*555
tice victims and ensures the continued availability of malpractice insurance. “This interference with ... property rights ... arises from a public program that adjusts the benefits and burdens of economic life to promote the common good and ... does not constitute a taking requiring Government compensation.”
Connolly,
Second, with regard to the economic severity of the Act, “there is no doubt that the Act completely deprives a [doctor] of whatever amount of money [the doctor] is obligated to pay to fulfill its statutory liability.”
Connolly,
In addition, the facts in the present case reveal that the premium and surcharge have historically constituted between 5 and 50 percent of the plaintiffs’ gross incomes. Although this percentage undoubtedly represents a large proportion of plaintiffs’ costs of doing business, it has not yet denied them “the economically viable use of th[eir] property.”
Keystone,
Finally, with respect to the extent to which the regulation has interfered with distinct investment-backed expectations, it is clear that “[a] ‘reasonable investment-backed expectation’ must be more than a ‘unilateral expectation or an abstract need.’ ”
Ruckelshaus v. Monsanto Co.,
Having upheld the Act against a substantive due process attack, it would be surprising to discover that the Commonwealth had
*556
unconstitutionally “taken” the surcharges that it was earlier determined are an integral part of a legitimate and rational statutory scheme.
See Connolly,
D. Procedural Due Process
The plaintiffs argue that the Act is unconstitutionally defective because it fails to provide adequate procedural safeguards before a health care provider’s license is revoked for failure to comply with the Act. Specifically, the plaintiffs complain that “[although the Act provides a hearing opportunity to physicians, they cannot plead an inability to pay the required fees.” Plaintiffs’ Memorandum at 14. The defendants concede that the plaintiffs have an interest in their medical licenses that is protected by the fourteenth amendment.
To the extent that the plaintiffs argue that they will be denied due process if they are not permitted to raise the defense of an
inability
to pay at some future license revocation proceeding, they seem to be attacking the substance of the Act rather than the procedure used to enforce it.
8
As the Supreme Court stated in
Cleveland Bd. of Educ. v. Loudermill,
Property interests are not created by the Constitution, “they are created and their dimensions are defined by existing rules or understandings that stem from an independent source such as state law____” Board of Regents v. Roth, supra [408 U.S. 564 ], at 577 [92 S.Ct. 2701 , at 2709,33 L.Ed.2d 548 (1972)].
... The point is straightforward: the Due Process Clause provides that certain substantive rights — life, liberty, and property — cannot be deprived except pursuant to constitutionally adequate procedures. The categories of substance and procedure are distinct. Were the rule otherwise, the Clause would be reduced to a mere tautology. “Property” cannot be defined by the procedures provided for its deprivation any more than can life or liberty.
Id.
at 538, 541,
However, it is not necessary for me to pursue this line of inquiry. As I stated with respect to the plaintiffs’ takings claim, “[n]o plaintiff has shown an inability to pay or that he can no longer pursue his occupation because of the CAT Fund surcharge.” Moreover, no license revocation proceedings have been initiated against any of the plaintiffs. 9 Finally, the Commonwealth has represented that, contrary to the plaintiffs’ contentions, the Board of Licensure considers mitigating factors in determining *557 what penalty if any is appropriate for violations of the Act’s requirements. See Defendants’ Memorandum at 7-8. No plaintiff has shown that he cannot pay the surcharge and no record has been made as to what position the Commonwealth would take with respect to a doctor who could show that it was financially impossible for him or her to meet the Act’s requirements. For these reasons, I find that plaintiffs’ procedural due process challenge is not ripe for adjudication.
I am not precluded from making such a determination because I have reached the merits on the majority of the plaintiffs’ claims. The Supreme Court has stated that “[ejven where some of the provisions of a comprehensive legislative enactment are ripe for adjudication, portions of the enactment not immediately involved are not thereby thrown open for a judicial determination of constitutionality.”
Communist Party v. Subversive Activities Control Bd.,
While ripeness determinations depend in part on “ ‘the hardship to the parties of withholding court consideration,’ ”
Pacific Gas & Elec. Co. v. State Energy Resources Conserv. and Dev. Comm’n,
III. CONCLUSION
For the reasons stated above, plaintiffs’ challenge to the constitutionality of the Act is denied in its entirety.
Notes
. As defined in the Act, a “health care provider” is:
a primary health center or a person, corporation, facility, institution or other entity licensed or approved by the Commonwealth to provide health care or professional medical services as a physician, an osteopathic physician or surgeon, a certified nurse, midwife, a podiatrist, hospital, nursing home, birth center____
Pa.Stat.Ann. tit. 40, § 1301.103 (Purdon Supp. 1987).
. The plaintiffs have paid the following amounts for the required basic coverage and associated surcharge:
Dr. Meier Dr. Szebenyi Dr. Erlick
Basic Coverage $ 11,173 $ 2,106
1984 Surcharge N/A 5,510 1,095
Gross Income 105,135 100,000
Basic Coverage | 11,172 15,117 3,370
1985 Surcharge 5,810 10,582 2,300
Gross Income 153,865 (1984) 177,503 120,000
Basic Coverage 15,100 25,574 4,870
1986 Surcharge 10,570 22,249 4,237
Gross Income 157,522 (1985) 99,632.99 140,000
Basic Coverage 25,574 24,823 6,370
1987 Surcharge 22,249 22,249 5,542
Gross Income 164,302 (1986) N/A N/A
. See Pa.Stat.Ann. tit. 63, § 625.508(c) (Purdon Supp.1988) ("The board may waive the requirement that a [chiropractor] obtain professional liability insurance ... if ... the licensee is unable to obtain such insurance ... because of general market conditions----”). There is no similar provision applicable to health care providers under the Act.
. Even if it were possible, it is doubtful that the plaintiffs would want to make the latter showing since it would undercut their argument that "the Act is confiscatory and rises to the level of a ‘taking’ of property from the individual plaintiff physicians." Plaintiffs’ Memorandum at 25.
.Even if this standard were applicable, I would find that the Act substantially, if not directly, advances the Commonwealth’s legitimate interests in compensating malpractice victims and in ensuring the continued availability of medical malpractice insurance.
. The plaintiffs suggest that the Commonwealth should have adopted various funding methods used by other states. Plaintiffs’ Memorandum at 23. Even assuming alternative funding methods would be wiser or fairer, which I doubt, the Commonwealth is not required by the Constitution to adopt the most effective, or the least restrictive, statutory scheme.
See Keystone,
. Plaintiffs’ procedural due process argument that a failure to pay the CAT Fund surcharges should not be sufficient grounds for revocation of a medical license merely restates plaintiffs’ equal protection and substantive due process arguments. It fails, therefore, for reasons substantially similar to those enumerated in sections IIA and IIB above.
.Even if licehse revocation proceedings had been initiated, but had not, along with any appeals, run their course, comity might require that the federal courts await a decision by the Commonwealth courts on whether inability to pay is a defense under the Act.
See Railroad Comm’n v. Pullman Co.,
