Quick answers
- Does Abigail T. Fahim accept Medicare assignment?
- Yes. Medicare's clinician data says Abigail T. Fahim 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 Abigail T. Fahim see?
- In 2024, CMS data shows 89 Original Medicare patients and 256 services for Abigail T. Fahim. This counts Original Medicare only and measures volume, not quality.
- What is Abigail T. Fahim's NPI number?
- 1669768198. 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 Abigail T. Fahim, 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 patients | 89 |
|---|---|
| Services billed to Medicare | 256 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Imaging of retina (92134)72 services
- Exam of visual field with extended testing (92083)37 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)30 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
- Measurement of retinal and optic nerve function (92273)19 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 pressure61%
- High cholesterol56%
- Arthritis39%
- Diabetes21%
- Ischemic heart disease21%
- Depression20%
Hospitals where Abigail T. Fahim works
Medicare's Facility Affiliation Data lists Abigail T. Fahim 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.
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230046
Practice locations
Addresses where Abigail T. Fahim is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Wall StAnn Arbor, MI 48105 (734) 764‑4190
Group practices
Medicare enrollment lists Abigail T. Fahim as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Other clinicians in Regents of the University of Michigan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669768198 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians