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Endocrinology

Adam A. Zakkar, DO

Works at hospitals in Troy, MI · Michigan

Summary

Dr. Adam A. Zakkar, DO is an endocrinologist at 2970 Crooks Rd, Suite A, Rochester Hills, MI 48309. Phone: (248) 844-0200. Accepts Medicare assignment. NPI 1609440825. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 2970 Crooks Rd, Suite A, Rochester Hills, MI 48309 · Directions
  • Phone: (248) 844‑0200
  • Medicare: Accepts Medicare assignment
  • Hospital: Beaumont Hospital, Troy
  • Group practice: Endocrine and Diabetes Consultants PC
  • Medical school: graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Adam A. Zakkar, 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 Adam A. Zakkar accept Medicare assignment?
Yes. Medicare's clinician data says Adam A. Zakkar 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.
What is Adam A. Zakkar's NPI number?
1609440825. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Adam A. Zakkar works

Medicare's Facility Affiliation Data lists Adam A. Zakkar 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.

  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269

Practice locations

Addresses where Adam A. Zakkar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Endocrine and Diabetes Consultants PC6 clinicians in the group

Specialties

Find other Endocrinology doctors in Michigan →

Other endocrinologists in Rochester Hills

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

All endocrinologists in Rochester Hills →

Other clinicians in Endocrine and Diabetes Consultants PC

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

Clinician information

CredentialDO
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609440825
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians