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Internal Medicine

Ayman Y. Haidar, MD

Works at hospitals in Flint, MI · Michigan

Summary

Dr. Ayman Y. Haidar, MD is an internal medicine doctor at 2265 S Linden Rd A, Flint, MI 48532. Phone: (810) 720-8700. Accepts Medicare assignment. In 2024, Ayman Y. Haidar had 561 Original Medicare patients and 4,812 services. NPI 1215021472. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2265 S Linden Rd A, Flint, MI 48532 · Directions
  • Phone: (810) 720‑8700
  • Medicare: Accepts Medicare assignment
  • Hospital: McLaren Flint
  • Medical school: graduated 1991 (35 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ayman Y. Haidar, 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 Ayman Y. Haidar accept Medicare assignment?
Yes. Medicare's clinician data says Ayman Y. Haidar 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 Ayman Y. Haidar see?
In 2024, CMS data shows 561 Original Medicare patients and 4,812 services for Ayman Y. Haidar. This counts Original Medicare only and measures volume, not quality.
What is Ayman Y. Haidar's NPI number?
1215021472. 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 Ayman Y. Haidar, 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 patients561
Services billed to Medicare4,812
Different services or procedures63
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)2,760 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)554 services
  3. Injection, methylprednisolone sodium succinate, 5 mg (J2919)399 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)266 services
  5. Injection of drug or substance under skin or into muscle (96372)139 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 pressure72%
  • High cholesterol69%
  • Arthritis51%
  • Anxiety32%
  • Diabetes28%
  • Depression25%

Hospitals where Ayman Y. Haidar works

Medicare's Facility Affiliation Data lists Ayman Y. Haidar 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.

  • McLaren FlintFlint, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230141

Practice locations

Addresses where Ayman Y. Haidar is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Flint

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

All internal medicine doctors in Flint →

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215021472
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