Active NPI
Margaret Ann Hamburg
- Internal Medicine Physician
- Washington, DC
National Provider Identifier
1205710316
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 161996-01
- Practice address
- 3415 36TH St NW
Washington, DC 20016-3147 - Phone
- (202) 361-6770
- NPI assigned
- Aug 1, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 161996-01 | NY | Primary |
Addresses
Primary practice location
3415 36TH St NW
Washington, DC 20016-3147
Mailing address
3415 36TH St NW
Washington, DC 20016-3147
Phone (202) 361-6770
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 161996-01 | NY | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754006400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754006400000",
"number": "1205710316",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3415 36TH ST NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200163147",
"telephone_number": "202-361-6770"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3415 36TH ST NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200163147",
"telephone_number": "202-361-6770"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAMBURG",
"first_name": "MARGARET",
"middle_name": "ANN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-08-01",
"last_updated": "2025-08-01",
"certification_date": "2025-08-01",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "161996-01",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.