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Ophthalmology

Brittany A. Simmons, MD

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Dr. Brittany A. Simmons, MD is an ophthalmologist at 1000 Wall St, Ann Arbor, MI 48105. Phone: (734) 764-4190. Accepts Medicare assignment. In 2024, Brittany A. Simmons had 165 Original Medicare patients and 550 services. NPI 1033537923. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1000 Wall St, Ann Arbor, MI 48105 · Directions (4 more locations)
  • Phone: (734) 764‑4190
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Michigan Health System
  • Group practice: Regents of the University of Michigan
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Brittany A. Simmons, 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 Brittany A. Simmons accept Medicare assignment?
Yes. Medicare's clinician data says Brittany A. Simmons 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 Brittany A. Simmons see?
In 2024, CMS data shows 165 Original Medicare patients and 550 services for Brittany A. Simmons. This counts Original Medicare only and measures volume, not quality.
What is Brittany A. Simmons's NPI number?
1033537923. 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 Brittany A. Simmons, 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 patients165
Services billed to Medicare550
Different services or procedures58
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Photography of content of eyes (92285)149 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)102 services
  3. Exam of visual field with intermediate testing (92082)52 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)26 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)22 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).

  • High blood pressure74%
  • High cholesterol68%
  • Arthritis52%
  • Anxiety28%
  • Diabetes27%
  • Ischemic heart disease27%

Hospitals where Brittany A. Simmons works

Medicare's Facility Affiliation Data lists Brittany A. Simmons 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 Brittany A. Simmons is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brittany A. Simmons as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of Michigan3,346 clinicians in the group

Specialties

Find other Ophthalmology doctors in Michigan →

Other ophthalmologists in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All ophthalmologists in Ann Arbor →

Other clinicians in Regents of the University of Michigan

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033537923
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