Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Vollmer, PA-C

Q: What is the NPI number for John Vollmer?

The National Provider Identifier (NPI) for John Vollmer is 1851117741, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Saint Clair Shores, MI · enumerated 2024 · practices at Michigan Institute of Urology Laboratory.

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

National Provider Identifier

1851117741

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name John Vollmer

Credential PA-C

Sex Male

Practice address 20952 E 12 Mile Rd Ste 200, Saint Clair Shores, MI, 48081

Phone (586) 771-4820

Fax (586) 771-6620

Enumeration date Nov 25, 2024

Last updated in NPPES Feb 18, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601013203 (MI) 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 John Vollmer practice?

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

What is the NPI number for John Vollmer?

The National Provider Identifier (NPI) for John Vollmer is 1851117741, 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 2026-02-18.