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Optometry

Jennifer S. Gannon, OD

Works at hospitals in Browning, MT · Montana

Summary

Dr. Jennifer S. Gannon, OD is an optometrist at P O Box, Suite 760, Browning, MT 59417. Accepts Medicare assignment. In 2024, Jennifer S. Gannon had 35 Original Medicare patients and 42 services. NPI 1194721241. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: P O Box, Suite 760, Browning, MT 59417 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: P H S Indian Hospital at Browning - Blackfeet
  • Group practice: US Health Dept of Health and Human Services
  • Optometry school: Pennsylvania College Of Optometry · graduated 1997 (29 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer S. Gannon, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer S. Gannon accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer S. Gannon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer S. Gannon see?
In 2024, CMS data shows 35 Original Medicare patients and 42 services for Jennifer S. Gannon. This counts Original Medicare only and measures volume, not quality.
What is Jennifer S. Gannon's NPI number?
1194721241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer S. Gannon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients35
Services billed to Medicare42
Different services or procedures9
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient complete exam of visual system (92014)14 services
  2. Photography of the retina (92250)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Diabetes57%
  • High blood pressure49%

Hospitals where Jennifer S. Gannon works

Medicare's Facility Affiliation Data lists Jennifer S. Gannon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jennifer S. Gannon is enrolled with Medicare (CMS data updated October 2, 2026).

  • P O Box, Suite 760Browning, MT 59417

Group practices

Medicare enrollment lists Jennifer S. Gannon as a member of this group (CMS data updated October 2, 2026).

  • US Health Dept of Health and Human Services94 clinicians in the group

Specialties

Find other clinicians: Optometry, Montana →

Other optometrists in Montana

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

All optometrists in Montana →

Other clinicians in US Health Dept of Health and Human Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolPennsylvania College Of Optometry
Graduation year1997 (29 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194721241
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians