19 Pa. Code § 33.3
(a) The requirements set forth in § 23.3 (relating to business corporation names) are not applicable to a professional corporation name if the name contains and is restricted to the name or the last name of one or more of the present, prospective or former shareholders or of individuals who were associated with a predecessor or whose individual name appeared in the name of the predecessor. The name of a professional corporation may also contain one or more of the following:
(b) The following are examples of the provisions set forth in subsection (a):
| Permitted | Not Permitted |
| John Doe, M.D. Doe and Roe Doe & Roe, P.C. Doe & Roe Doe and Roe Associates Doe & Roe Associates Roe Medical Associates, Inc. Medical Service, Inc. | Doe & Roe, P.A. Roe Medical Associates Medical Service Medical Service Associates Medical Service Associates, P.A. |
| Medical Service Associates, P.C. |
The provisions of this § 33.3 adopted April 17, 1992, effective April 18, 1992, 22 Pa.B. 1993.