Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Ambulatory United

Q: What is the NPI number for Ambulatory United?

The NPI for Ambulatory United is 1104931492, a Type 2 (organization) record in the CMS NPPES registry.

Gynecology Physician in Greenville, MI · enumerated 2006 · authorized official Brian Brasser, Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1104931492

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Registry record

Entity type Organization (Type 2)

Legal business name Ambulatory United

Practice address 1202 W Oak St, Greenville, MI, 48838

Phone (616) 754-2944

Enumeration date Aug 20, 2006

Last updated in NPPES May 24, 2010

Taxonomy & classification

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians Primary

208600000X Surgery Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Brian Brasser

Title Ceo

Phone (616) 754-4691

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ambulatory United?

The NPI for Ambulatory United is 1104931492, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Ambulatory United?

NPPES lists Brian Brasser (Ceo) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-05-24.