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General Practice

James S. Lewerenz, DO

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

Summary

Dr. James S. Lewerenz, DO is a general practitioner at 27900 Grand River Ave, Suite 220, Farmington Hills, MI 48336. Phone: (248) 477-0552. Accepts Medicare assignment. In 2024, James S. Lewerenz had 300 Original Medicare patients and 1,194 services. NPI 1952385700. 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: General practitioner (Medicare lists General Practice)
  • Address: 27900 Grand River Ave, Suite 220, Farmington Hills, MI 48336 · Directions (2 more locations)
  • Phone: (248) 477‑0552
  • Medicare: Accepts Medicare assignment
  • Hospitals: Beaumont Hospital - Farmington Hills, Beaumont Hospital Royal Oak, Beaumont Hospital, Troy and 1 more
  • Group practice: Michigan Healthcare Professionals PC
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 1997 (29 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 James S. Lewerenz, 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 James S. Lewerenz accept Medicare assignment?
Yes. Medicare's clinician data says James S. Lewerenz 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 James S. Lewerenz see?
In 2024, CMS data shows 300 Original Medicare patients and 1,194 services for James S. Lewerenz. This counts Original Medicare only and measures volume, not quality.
What is James S. Lewerenz's NPI number?
1952385700. 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 James S. Lewerenz, 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 patients300
Services billed to Medicare1,194
Different services or procedures27
Participating Medicare providerYes
Average age of these patients71

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)473 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)285 services
  3. Telephone medical discussion with physician, 21-30 minutes (99443)139 services
  4. Injection of drug or substance under skin or into muscle (96372)92 services
  5. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)85 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%
  • Arthritis75%
  • Ischemic heart disease29%
  • Anxiety25%
  • Diabetes20%

Hospitals where James S. Lewerenz works

Medicare's Facility Affiliation Data lists James S. Lewerenz 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 - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
  • Henry Ford Macomb HospitalClinton Township, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230047

Practice locations

Addresses where James S. Lewerenz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James S. Lewerenz as a member of this group (CMS data updated October 2, 2026).

  • Michigan Healthcare Professionals PC529 clinicians in the group

Specialties

Find other General Practice doctors in Michigan →

Other general practitioners in Michigan

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

All general practitioners in Michigan →

Other clinicians in Michigan Healthcare Professionals PC

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952385700
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