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Optometry

William H. Frey, OD

Sees patients in Hobart, IN · Indiana

Summary

William H. Frey, OD (Optometry) is enrolled with Medicare at 1 practice location in Hobart, IN. NPI 1851467286. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William H. Frey, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
May acceptAccepts Medicare assignment
39Years since medical school (graduated 1987)
Indiana University - School Of OptometryMedical school
MaleGender (as listed)

Quick answers

Where does William H. Frey see patients?
Medicare's clinician data lists 1 practice location in Hobart, IN. Call before your visit to confirm the address.
What is William H. Frey's specialty?
Medicare lists Optometry as the primary specialty.
Does William H. Frey accept Medicare assignment?
Medicare's clinician data says William H. Frey may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for William H. Frey?
(219) 942-2811, as listed in official Medicare / NPI Registry data.
What is William H. Frey's NPI number?
1851467286. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where William H. Frey is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Optometry, Indiana →

Other optometrists in Indiana

Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.

All optometrists in Indiana →

Clinician information

CredentialOD
Medical schoolIndiana University - School Of Optometry
Graduation year1987
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1851467286
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians