Active NPI
Gartrell Calvin Bowling, MD
- General Practice Physician
- Bethesda, MD
National Provider Identifier
1629826607
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- 0101287466
- Practice address
- 8901 Wisconsin Ave
Bethesda, MD 20889-0004 - Phone
- (301) 400-2491
- NPI assigned
- May 7, 2024
- 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 |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | 0101287466 | VA | Primary |
Addresses
Primary practice location
8901 Wisconsin Ave
Bethesda, MD 20889-0004
Mailing address
8901 Wisconsin Ave
Bethesda, MD 20889-0004
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260514001257 | VA | Order and Referring Only - Urology | 3173092608 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1715040000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782000000000",
"number": "1629826607",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8901 WISCONSIN AVE",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208890004"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8901 WISCONSIN AVE",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208890004",
"telephone_number": "301-400-2491"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BOWLING",
"first_name": "GARTRELL",
"middle_name": "CALVIN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-05-07",
"last_updated": "2026-06-21",
"certification_date": "2026-06-21",
"status": "A"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "VA",
"license": "0101287466",
"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 Jun 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.