Active NPI
Gregory Thomas Brown II, MD, PHD
- Anatomic Pathology Physician
- Bethesda, MD
National Provider Identifier
1861826521
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology Physician
- License
- 105483
- Practice address
- 41 Center Dr RM A101H
Bethesda, MD 20892-0004 - Phone
- (240) 858-7227
- NPI assigned
- Aug 29, 2013
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Anatomic Pathology Physician | 207ZP0101X | 105483 | GA | Primary |
Addresses
Primary practice location
41 Center Dr RM A101H
Bethesda, MD 20892-0004
Mailing address
41 Center Dr BLDG 41
Bethesda, MD 20892-0004
Phone (240) 858-7227
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
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 105483 | GA | MD | Anatomic Pathology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1377734400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769126400000",
"number": "1861826521",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "41 CENTER DR BLDG 41",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208920004",
"telephone_number": "240-858-7227"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "41 CENTER DR RM A101H",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208920004",
"telephone_number": "240-858-7227"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BROWN",
"first_name": "GREGORY",
"middle_name": "THOMAS",
"name_prefix": "Dr.",
"name_suffix": "II",
"credential": "MD, PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-08-29",
"last_updated": "2026-01-23",
"certification_date": "2026-01-23",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0101X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology",
"state": "GA",
"license": "105483",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Bethesda, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.