Active NPI
Seth William Brown, D.O.
- Cardiovascular Disease Physician
- Massillon, OH
National Provider Identifier
1871591735
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- 34001429
- Practice address
- 323 Marion Ave NW
Suite 200
Massillon, OH 44646-3639 - Phone
- (330) 837-1111
- Fax
- (330) 837-1769
- NPI assigned
- Jul 13, 2005
- 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 |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | 34001429 | OH | Primary |
Addresses
Primary practice location
323 Marion Ave NW
Suite 200
Massillon, OH 44646-3639
Mailing address
323 Marion Ave NW
Suite 200
Massillon, OH 44646-3639
Phone (330) 837-1111
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0046248 | Medicaid | OH |
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)
- Enrolled
- Credentials
- Doctor of Osteopathy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1121212800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1871591735",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "323 MARION AVE NW",
"address_2": "SUITE 200",
"city": "MASSILLON",
"state": "OH",
"postal_code": "446463639",
"telephone_number": "330-837-1111",
"fax_number": "330-837-1769"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "323 MARION AVE NW",
"address_2": "SUITE 200",
"city": "MASSILLON",
"state": "OH",
"postal_code": "446463639",
"telephone_number": "330-837-1111",
"fax_number": "330-837-1769"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BROWN",
"first_name": "SETH",
"middle_name": "WILLIAM",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-13",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "OH",
"license": "34001429",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0046248",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Massillon, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.