Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. SETH WILLIAM BROWN D.O.
NPI 1871591735
Internal Medicine - Cardiovascular Disease in Massillon, OH

Active since July 13, 2005
323 MARION AVE NW, SUITE 200, MASSILLON, OH 44646(330) 837-1111(330) 837-1769 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Seth William Brown D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SETH WILLIAM BROWN D.O. (NPI 1871591735) is an individual cardiovascular disease provider in Massillon, Ohio, licensed in Ohio (34001429) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1871591735
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. SETH WILLIAM BROWNCredential: D.O.
Location Address323 MARION AVE NW, SUITE 200Massillon, OH 44646-3639
Mailing Address323 Marion Ave Nw, Suite 200Massillon, OH 44646-3639 · (330) 837-1111 · Fax (330) 837-1769
Fax(330) 837-1769
Sole ProprietorNo
Enumeration DateJuly 13, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1871591735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in OH · 34001429
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

323 MARION AVE NW, Massillon, OH 44646

Other Identifiers 1

Medicaid0046248OH

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
323 MARION AVE NW, SUITE 200
MASSILLON, OH 44646
Podiatrist (Foot & Ankle Surgery)
323 MARION AVE NW, SUITE 101
MASSILLON, OH 44646
Nurse Practitioner (Family)
323 MARION AVE NW, SUITE 200
MASSILLON, OH 44646
Counselor
323 MARION AVE NW
MASSILLON, OH 44646
Internal Medicine
323 MARION AVE NW, SUITE 200
MASSILLON, OH 44646
Clinic/Center (Adult Mental Health)
323 MARION AVE NW
MASSILLON, OH 44646
Nurse Practitioner (Adult Health)
323 MARION AVE NW
MASSILLON, OH 44646
Clinic/Center
323 MARION AVE NW
MASSILLON, OH 44646

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Seth Brown's NPI number?

The NPI number for Seth Brown is 1871591735. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is Seth Brown located?

Seth Brown practices at 323 Marion Ave NW Suite 200, Massillon, OH 44646. The listed phone number is (330) 837-1111.

What is Seth Brown's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Seth Brown was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.