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Family Practice

Bassam J. Thwainey, MD

Works at hospitals in Southfield, MI · Detroit, MI · Michigan

Summary

Dr. Bassam J. Thwainey, MD is a family doctor at 15300 W 9 Mile Rd, 1 Oak Park Medical Center, Oak Park, MI 48237. Phone: (248) 968-2003. Accepts Medicare assignment. In 2024, Bassam J. Thwainey had 95 Original Medicare patients and 735 services. NPI 1871821389. 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 Bassam J. Thwainey, 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 Bassam J. Thwainey accept Medicare assignment?
Yes. Medicare's clinician data says Bassam J. Thwainey 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 Bassam J. Thwainey see?
In 2024, CMS data shows 95 Original Medicare patients and 735 services for Bassam J. Thwainey. This counts Original Medicare only and measures volume, not quality.
What is Bassam J. Thwainey's NPI number?
1871821389. 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 Bassam J. Thwainey, 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 patients95
Services billed to Medicare735
Different services or procedures36
Participating Medicare providerYes
Average age of these patients69

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)195 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)154 services
  3. Telephone medical discussion with physician, 21-30 minutes (99443)59 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)55 services
  5. Advance care planning, first 30 minutes (99497)42 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 cholesterol67%
  • Diabetes60%
  • Arthritis47%
  • Chronic kidney disease31%
  • Ischemic heart disease23%

Hospitals where Bassam J. Thwainey works

Medicare's Facility Affiliation Data lists Bassam J. Thwainey 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 Bassam J. Thwainey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bassam J. Thwainey as a member of this group (CMS data updated October 2, 2026).

  • Henry Ford Semi Medical Group240 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All family doctors in Michigan →

Other clinicians in Henry Ford Semi Medical Group

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871821389
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