Active NPI
Robert Holley, PA-C
- Physician Assistant
- Bethesda, MD
National Provider Identifier
1659872109
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 118017
- Practice address
- 8901 Rockville Pike
Bethesda, MD 20889-4504 - Phone
- (301) 295-4000
- NPI assigned
- Feb 21, 2018
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 118017 | MT | Primary |
Addresses
Primary practice location
8901 Rockville Pike
Bethesda, MD 20889-4504
Mailing address
8901 Rockville Pike
Bethesda, MD 20889-0001
Phone (301) 295-4000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1151148 | Other | NCCPA ID |
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 |
|---|---|---|---|
| 118017 | MT | MD | Physician Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1519171200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753660800000",
"number": "1659872109",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8901 ROCKVILLE PIKE",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208890001",
"telephone_number": "301-295-4000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8901 ROCKVILLE PIKE",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208894504",
"telephone_number": "301-295-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOLLEY",
"first_name": "ROBERT",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2018-02-21",
"last_updated": "2025-07-28",
"certification_date": "2025-07-28",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MT",
"license": "118017",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NCCPA ID",
"identifier": "1151148",
"state": null
}
],
"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 Jul 28, 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.