Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Amanda Marie Ritzer, PA-C

Physician Assistant in Portage, MI · enumerated 2023.

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

National Provider Identifier

1437937489

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Amanda Marie Ritzer

Credential PA-C

Sex Female

Practice address 7901 Angling Rd, Portage, MI, 49024

Phone (269) 324-8600

Fax (269) 324-8609

Enumeration date Sep 20, 2023

Last updated in NPPES Sep 26, 2024

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

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

Where does Amanda Ritzer practice?

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

What is the NPI number for Amanda Ritzer?

The National Provider Identifier (NPI) for Amanda Ritzer is 1437937489, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-26.