Margaret Hammerschlag, M.D.
Margaret Hammerschlag, M.D. is a pediatric infectious diseases physician practicing in Brooklyn, NY. The NPI was issued on December 7, 2005, and the record was last updated in NPPES on July 13, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Pediatric Infectious Diseases Physician Primary | 2080P0208X | 141472-1 (NY) |
Practice location
Local context
Active NPPES records list 102 providers with pediatric infectious diseases physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 41 of them within 10 miles.
The same primary taxonomy is listed by 124 in New York and 1,623 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 R. Hammerschlag
- 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
Building software? Fetch this NPI programmatically with the NPILayer Provider API.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1629053103"