Active NPI
Ryan Andrew Cowan, MD
- Pediatrics Physician
- Washington, DC
National Provider Identifier
1932894755
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- MD600005317
- Practice address
- 111 Michigan Ave NW Ste M-4800
Washington, DC 20010-2916 - Phone
- (202) 476-6017
- NPI assigned
- Apr 7, 2023
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | MD600005317 | DC | Primary |
Addresses
Primary practice location
111 Michigan Ave NW Ste M-4800
Washington, DC 20010-2916
Mailing address
111 Michigan Ave NW Ste M-4800
Washington, DC 20010-2916
Phone (202) 476-6017
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- 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 |
|---|---|---|---|---|
| I20230612001111 | PA | Order and Referring Only - Pediatric Medicine | 8729445473 |
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": "1680825600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782777600000",
"number": "1932894755",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "111 MICHIGAN AVE NW STE M-4800",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200102916",
"telephone_number": "202-476-6017"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "111 MICHIGAN AVE NW STE M-4800",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200102916",
"telephone_number": "202-476-6017"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COWAN",
"first_name": "RYAN",
"middle_name": "ANDREW",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-07",
"last_updated": "2026-06-30",
"certification_date": "2026-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "DC",
"license": "MD600005317",
"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 Jun 30, 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.