Margaret Ryan, MD, MPH
NPI 1619977618 belongs to Margaret Ryan, MD, MPH, a preventive medicine/occupational environmental medicine physician with a practice location in San Diego, CA. The NPI was issued on August 1, 2005, and the record was last updated in NPPES on July 13, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Preventive Medicine/Occupational Environmental Medicine Physician Primary | 2083P0500X | D42576 (MD) |
Practice location
Local context
Active NPPES records list 16 providers with preventive medicine/occupational environmental medicine physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 10 of them within 10 miles.
The same primary taxonomy is listed by 180 in California and 1,491 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
- Dr. Margaret Ryan
- 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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