Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. WILLIAM STEVEN MARK, M.D.
Active Sole ProprietorDR. WILLIAM STEVEN MARK, M.D. is a Internal Medicine healthcare provider located in PHOENIXVILLE, Pennsylvania. NPI 1396955522 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · PHOENIXVILLE, PA
Registration Details
- NPI Number
- 1396955522
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- May 23, 2007 (19.246166323806 yrs)
- Last Updated
- Jul 8, 2007
- License
-
012108E (PA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
143 CHURCH STPHOENIXVILLE, PA, 194603438Browse PA providers · Browse ZIP 19460
- Phone
- 6109351134
- Fax
- 6109358191
- Primary Specialty
-
Internal Medicine
207R00000X
Other Internal Medicine Providers in PHOENIXVILLE, PA
| Name | Credential | NPI |
|---|---|---|
| MARION C CHILDS | M.D. | 1801892161 |
| CARL W SHARER | D.O. | 1730171448 |
| DR. JANET R ZOLLI | MD | 1699755843 |
| OLADOYE O KEHINDE | MD | 1497727044 |
| MARK BROWN | MD | 1467491050 |
| MR. IRA SCOTT CANTOR | M.D | 1760425755 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.