Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Marc S Arnkoff M D and Gregory L. Weigler D O P C

Urology Physician in Southfield, MI · enumerated 2008 · authorized official Marc Arnkoff, Owner / President.

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

National Provider Identifier

1538334768

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Registry record

Entity type Organization (Type 2)

Legal business name Marc S Arnkoff M D and Gregory L. Weigler D O P C

Practice address 26400 W 12 Mile Rd, Suite 70, Southfield, MI, 48034

Phone (248) 596-3009

Fax (248) 569-0670

Enumeration date Apr 29, 2008

Last updated in NPPES Jun 1, 2010

Taxonomy & classification

208800000X Urology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Marc Arnkoff

Title Owner / President

Phone (248) 569-3009

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 Marc S Arnkoff M D and Gregory L. Weigler D O P C?

The NPI for Marc S Arnkoff M D and Gregory L. Weigler D O P C is 1538334768, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Marc S Arnkoff M D and Gregory L. Weigler D O P C?

NPPES lists Marc Arnkoff (Owner / President) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-01.