Active NPI
GMS Healthcare, LLC
- General Practice Physician
- Towson, MD
National Provider Identifier
1891565040
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- Legal business name
- GMS HEALTHCARE, LLC
- Practice address
- 7600 Osler Dr Ste 105
Towson, MD 21204-7705 - Phone
- (888) 943-0066
- Fax
- (888) 943-0077
- NPI assigned
- Jan 8, 2024
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Brian L Seymore, MD
- Title
- Principle
- Phone
- (410) 808-0248
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | |||
| Nephrology Physician | 207RN0300X | |||
| Neurology Physician | 2084N0400X | |||
| General Practice Physician | 208D00000X | Primary | ||
| Podiatrist | 213E00000X |
Addresses
Primary practice location
7600 Osler Dr Ste 105
Towson, MD 21204-7705
Mailing address
2012 S Tollgate Rd Ste 100
Bel Air, MD 21015-5901
Phone (443) 943-0066
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 889479500 | Medicaid | MD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Nephrology Physician
- Baltimore, MD
- NPI 1114970100
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1704672000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1778716800000",
"number": "1891565040",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2012 S TOLLGATE RD STE 100",
"city": "BEL AIR",
"state": "MD",
"postal_code": "210155901",
"telephone_number": "443-943-0066",
"fax_number": "443-943-0077"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7600 OSLER DR STE 105",
"city": "TOWSON",
"state": "MD",
"postal_code": "212047705",
"telephone_number": "888-943-0066",
"fax_number": "888-943-0077"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "GMS HEALTHCARE, LLC",
"organizational_subpart": "NO",
"enumeration_date": "2024-01-08",
"last_updated": "2026-05-14",
"certification_date": "2026-05-14",
"status": "A",
"authorized_official_last_name": "SEYMORE",
"authorized_official_first_name": "BRIAN",
"authorized_official_middle_name": "L",
"authorized_official_title_or_position": "PRINCIPLE",
"authorized_official_telephone_number": "410-808-0248",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Anesthesiology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RN0300X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Nephrology",
"state": null,
"license": null,
"primary": false
},
{
"code": "2084N0400X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Neurology",
"state": null,
"license": null,
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "General Practice",
"state": null,
"license": null,
"primary": true
},
{
"code": "213E00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Podiatrist",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "889479500",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Towson, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.