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Allegan Surgical Associates PC

Surgery Physician in Allegan, MI · enumerated 2008 · authorized official Marcus Blass, Co-Owner.

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

National Provider Identifier

1811146228

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Registry record

Entity type Organization (Type 2)
Legal business name Allegan Surgical Associates PC
Practice address 551 Linn St, Suite 150, Allegan, MI, 49010
Phone (269) 686-5800
Fax (269) 686-5899
Enumeration date Sep 10, 2008
Last updated in NPPES Sep 10, 2008

Taxonomy & classification

208600000X Surgery Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Marcus Blass
Title Co-Owner
Phone (269) 686-5800

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.

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Frequently asked questions

What is the NPI number for Allegan Surgical Associates PC?
The NPI for Allegan Surgical Associates PC is 1811146228, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Allegan Surgical Associates PC?
NPPES lists Marcus Blass (Co-Owner) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-10.