Active NPI
Thomas Zeffiro, MD, PHD
- Neurology Physician
- Potomac, MD
National Provider Identifier
1700799277
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- D0045842
- Practice address
- 11508 Luvie CT
Potomac, MD 20854-1175 - Phone
- (301) 906-3472
- NPI assigned
- Sep 25, 2026
- 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 |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | D0045842 | MD | Primary |
Addresses
Primary practice location
11508 Luvie CT
Potomac, MD 20854-1175
Mailing address
11508 Luvie CT
Potomac, MD 20854-1175
Phone (301) 906-3472
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1790294400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790294400000",
"number": "1700799277",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11508 LUVIE CT",
"city": "POTOMAC",
"state": "MD",
"postal_code": "208541175",
"telephone_number": "301-906-3472"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11508 LUVIE CT",
"city": "POTOMAC",
"state": "MD",
"postal_code": "208541175",
"telephone_number": "301-906-3472"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZEFFIRO",
"first_name": "THOMAS",
"name_prefix": "Dr.",
"credential": "MD, PHD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-09-25",
"last_updated": "2026-09-25",
"certification_date": "2026-09-25",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Neurology",
"state": "MD",
"license": "D0045842",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Potomac, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.