Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alan S Messinger, MD

Plastic Surgery Physician in Portage, MI · enumerated 2005.

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

National Provider Identifier

1194719336

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alan S Messinger

Credential MD

Sex Male

Practice address Portage, MI, 49024

Phone (269) 372-3000

Enumeration date Sep 2, 2005

Last updated in NPPES Nov 27, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 4301401936 Secondary

208200000X Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 4301401936 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1997100	Medicaid	MI	-

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 Alan Messinger?

The National Provider Identifier (NPI) for Alan Messinger is 1194719336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alan Messinger practice?

The practice location on file with NPPES is in Portage, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Alan Stephens Plastic Surgery Physician · Kalamazoo, MI NPI 1538161229 Michael Nave Specialist · Portage, MI NPI 1104810340 Sports Medicine & Joint Care of West Michigan, Plc Orthopaedic Surgery Physician · Portage, MI NPI 1942247176 Great Lakes Cardiovascular Thoracic Surgery, Plc Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Portage, MI NPI 1487760427 Bryan Visser Physical Medicine & Rehabilitation Physician · Portage, MI NPI 1588756340 Alfonso Emanuel Rodriguez Physical Therapist · Portage, MI NPI 1609968247 Kimberly Clawson Plastic Surgery Physician · Portage, MI NPI 1689818486 Jonathan Nykamp Family Nurse Practitioner · Portage, MI NPI 1144519133

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-27.