Active NPI
Nicholas James Carlin, DO
- Critical Care Medicine (Internal Medicine) Physician
- Bethesda, MD
National Provider Identifier
1184284598
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 5101025938
- Practice address
- 8901 Rockville Pike
Bethesda, MD 20889-5650 - Phone
- (301) 295-4000
- NPI assigned
- Jun 18, 2019
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 5101025938 | MI | Primary |
Addresses
Primary practice location
8901 Rockville Pike
Bethesda, MD 20889-5650
Mailing address
4494 Palmer Rd N, Bethesda, MD 20814
Apo, AA 20814
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 Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5101025938 | MI | MD | Critical Care Medicine (Internal Medicine) Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1560816000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1742342400000",
"number": "1184284598",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "MIL",
"address_1": "4494 PALMER RD N, BETHESDA, MD 20814",
"city": "APO",
"state": "AA",
"postal_code": "20814"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8901 ROCKVILLE PIKE",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208895650",
"telephone_number": "301-295-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CARLIN",
"first_name": "NICHOLAS",
"middle_name": "JAMES",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-06-18",
"last_updated": "2025-03-19",
"certification_date": "2025-03-17",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "MI",
"license": "5101025938",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Bethesda, MD
- Caregivers Network (Caregivers Assistance)
- Alison Carelli, LCSW-C
- Victoria Ann Cargill, M.D., M.S.C.E.
- Caring Hands Nursing Staffers, LLC (Caring Hands Homecare Nursing Services)
- Trishia Palpal-Latoc Carinio, RN
- Mary Carlough, MSW, LCSW-C
- Marcus Carlsson, MD PHD ASSOC PROF
- Brendan Carmody, MD
- Chandra Page Carney, PA-C
- Emily Claire Carney
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 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.