Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Great Lakes Seniors PC

Q: What type of organization is Great Lakes Seniors PC?

Great Lakes Seniors PC is registered in NPPES as a Specialist (its primary provider taxonomy).

Specialist in Warren, MI · enumerated 2006 · authorized official Orin Hall, President.

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

National Provider Identifier

1508819475

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Registry record

Entity type Organization (Type 2)

Legal business name Great Lakes Seniors PC

Practice address 27500 Hoover Rd, Warren, MI, 48093

Phone (800) 836-2904

Enumeration date May 19, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name Orin Hall

Title President

Phone (586) 427-4453

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 type of organization is Great Lakes Seniors PC?

Great Lakes Seniors PC is registered in NPPES as a Specialist (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Dr. Richard Colman Do Pllc Gynecology Physician · Warren, MI NPI 1609817410 Great Lakes Medical Center PC Specialist · Warren, MI NPI 1508955816 Daniel Jensen Vascular Surgery Physician · Warren, MI NPI 1326230236 Bi County Clinical Practices Vascular Surgery Physician · Warren, MI NPI 1124213921 Louis L Rondini Do Pllc Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Warren, MI NPI 1851589584 Southeastern Gastroenterology Associates P.C. Gastroenterology Physician · Warren, MI NPI 1225369838 Bi County Medical Practices Gastroenterology Physician · Warren, MI NPI 1942524624 Bi County Clinical Practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Warren, MI NPI 1043535990

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.