Donald Diefendorf, P.A.-C
NPI 1437187002 belongs to Donald Diefendorf, P.A.-C, a medical physician assistant with a practice location in Baltimore, MD. The NPI was issued on June 30, 2006, and the record was last updated in NPPES on December 5, 2025. The record lists 2 taxonomy codes. One additional practice location is listed.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Medical Physician Assistant Primary | 363AM0700X | MA002841L (PA) |
| Medical Physician Assistant | 363AM0700X | C0002134 (MD) |
Practice locations
Local context
Active NPPES records list 432 providers with medical physician assistant as the primary taxonomy within 25 miles of this practice location's ZIP code, 275 of them within 10 miles.
The same primary taxonomy is listed by 882 in Maryland and 40,076 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Donald S. Diefendorf
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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