Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physical Medicine and Rehabilitation

Nathan L. Gross, MD

Works at hospitals in Royal Oak, MI · Commerce Township, MI · Michigan

Summary

Dr. Nathan L. Gross, MD is a rehabilitation doctor at 33010 Northwestern Hwy, West Bloomfield, MI 48322. Phone: (248) 335-9099. Accepts Medicare assignment. In 2024, Nathan L. Gross had 135 Original Medicare patients and 319 services. NPI 1134174261. 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: Rehabilitation doctor (Medicare lists Physical Medicine and Rehabilitation)
  • Address: 33010 Northwestern Hwy, West Bloomfield, MI 48322 · Directions (1 more location)
  • Phone: (248) 335‑9099
  • Medicare: Accepts Medicare assignment
  • Hospitals: Beaumont Hospital Royal Oak, Huron Valley-Sinai Hospital
  • Group practice: Premier Therapy Centers, Inc (+1 more)
  • Medical school: Wayne State University School Of Medicine · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nathan L. Gross, 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 Nathan L. Gross accept Medicare assignment?
Yes. Medicare's clinician data says Nathan L. Gross 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 Nathan L. Gross see?
In 2024, CMS data shows 135 Original Medicare patients and 319 services for Nathan L. Gross. This counts Original Medicare only and measures volume, not quality.
What is Nathan L. Gross's NPI number?
1134174261. 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 Nathan L. Gross, 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 patients135
Services billed to Medicare319
Different services or procedures19
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
  2. Test or measurement for functional capacity, each 15 minutes (97750)73 services
  3. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)40 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)35 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 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 cholesterol75%
  • Arthritis68%
  • High blood pressure66%
  • Ischemic heart disease33%
  • Anxiety27%
  • Diabetes23%

Hospitals where Nathan L. Gross works

Medicare's Facility Affiliation Data lists Nathan L. Gross 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 Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
  • Huron Valley-Sinai HospitalCommerce Township, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230277

Practice locations

Addresses where Nathan L. Gross is enrolled with Medicare (CMS data updated October 2, 2026).

  • 33010 Northwestern HwyWest Bloomfield, MI 48322
  • 43344 Woodward AveBloomfield Hills, MI 48302 (248) 335‑9099

Group practices

Medicare enrollment lists Nathan L. Gross as a member of these groups (CMS data updated October 2, 2026).

  • Premier Therapy Centers, Inc137 clinicians in the group
  • Specialists in Rehabilitation Medicine PC32 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in Michigan →

Other rehabilitation doctors in West Bloomfield

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

All rehabilitation doctors in West Bloomfield →

Other clinicians in Premier Therapy Centers, Inc

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134174261
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