NPI Portal NPI Lookup & Verification

Mr. John Andrew Iserhoth III, R.PH.

Mr. John Andrew Iserhoth III is a Pharmacist provider (Pharmacist) practicing in Mount Pleasant, MI, registered in the NPPES registry with NPI 1265730501 since 2011. The credential RPH stands for Registered Pharmacist.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1265730501
Entity type Individual (Type 1)
Name Mr. John Andrew Iserhoth III
Credential R.PH.
Sex Male
Practice address Mount Pleasant, MI, 48858
Phone 9897727677
Fax 9897730663
Enumeration date 2011-03-10
Last updated in NPPES 2011-03-10

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary 5302028909 MI

RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

Copy-ready billing details
Provider: John Iserhoth, R.PH.
NPI: 1265730501
Taxonomy: 183500000X (Pharmacist)
Address: Mount Pleasant, MI, 48858

Other providers at this practice address

NPI Name Type Specialty Location
1316172018 Amy Jacobs Individual Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Mount Pleasant, MI
1336447671 Rachel Mcwethy Individual Pharmacist Mount Pleasant, MI
1053994145 Catherine Slattery Individual Pharmacy Technician Mount Pleasant, MI

Verify this record

Cross-check NPI 1265730501 against the authoritative CMS record: view Mr. John Andrew Iserhoth III on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does John Iserhoth practice?
The practice location on file with NPPES is in Mount Pleasant, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Iserhoth?
The National Provider Identifier (NPI) for John Iserhoth is 1265730501, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-03-10.