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Internal Medicine

Alan T. Ghassan, MD

Works at hospitals in Southfield, MI · Farmington Hills, MI · Royal Oak, MI … · Michigan

Summary

Dr. Alan T. Ghassan, MD is an internal medicine doctor at 16001 W 9 Mile Rd, Southfield, MI 48075. Phone: (248) 849-3000. Accepts Medicare assignment. In 2024, Alan T. Ghassan had 393 Original Medicare patients and 2,856 services. NPI 1760450811. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Alan T. Ghassan, 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 Alan T. Ghassan accept Medicare assignment?
Yes. Medicare's clinician data says Alan T. Ghassan 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 Alan T. Ghassan see?
In 2024, CMS data shows 393 Original Medicare patients and 2,856 services for Alan T. Ghassan. This counts Original Medicare only and measures volume, not quality.
What is Alan T. Ghassan's NPI number?
1760450811. 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 Alan T. Ghassan, 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 patients393
Services billed to Medicare2,856
Different services or procedures37
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)536 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)396 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)394 services
  4. Insertion of needle into vein for collection of blood sample (36415)232 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)183 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 pressure75%
  • High cholesterol75%
  • Arthritis56%
  • Diabetes44%
  • Ischemic heart disease36%
  • Chronic kidney disease34%

Hospitals where Alan T. Ghassan works

Medicare's Facility Affiliation Data lists Alan T. Ghassan 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 Alan T. Ghassan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alan T. Ghassan as a member of these groups (CMS data updated October 2, 2026).

  • Powerback Rehabilitation LLC649 clinicians in the group
  • Henry Ford Semi Medical Group240 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Southfield

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

All internal medicine doctors in Southfield →

Other clinicians in Powerback Rehabilitation LLC

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760450811
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