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Dermatology

Jeremy A. Grekin, MD

Works at hospitals in Wyandotte, MI · Michigan

Summary

Dr. Jeremy A. Grekin, MD is a dermatologist at 13450 E 12 Mile Rd, Warren, MI 48088. Phone: (586) 759-5525. Accepts Medicare assignment. In 2024, Jeremy A. Grekin had 624 Original Medicare patients and 3,015 services. NPI 1770141509. 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: Dermatologist (Medicare lists Dermatology)
  • Address: 13450 E 12 Mile Rd, Warren, MI 48088 · Directions (1 more location)
  • Phone: (586) 759‑5525
  • Medicare: Accepts Medicare assignment
  • Hospital: Wyandotte Hospital and Medical Center
  • Group practice: Advanced Dermatology of Michigan PC
  • Medical school: Wayne State University School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeremy A. Grekin, 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 Jeremy A. Grekin accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy A. Grekin 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 Jeremy A. Grekin see?
In 2024, CMS data shows 624 Original Medicare patients and 3,015 services for Jeremy A. Grekin. This counts Original Medicare only and measures volume, not quality.
What is Jeremy A. Grekin's NPI number?
1770141509. 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 Jeremy A. Grekin, 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 patients624
Services billed to Medicare3,015
Different services or procedures62
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)1,171 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)372 services
  3. Destruction of precancer skin growth, 1 growth (17000)287 services
  4. Destruction of skin growth, 1-14 growths (17110)188 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)168 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%
  • Arthritis49%
  • Ischemic heart disease33%
  • Diabetes31%
  • Chronic kidney disease26%

Hospitals where Jeremy A. Grekin works

Medicare's Facility Affiliation Data lists Jeremy A. Grekin 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 Jeremy A. Grekin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Advanced Dermatology of Michigan PC41 clinicians in the group

Specialties

Find other Dermatology doctors in Michigan →

Other dermatologists in Warren

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

All dermatologists in Warren →

Other clinicians in Advanced Dermatology of Michigan PC

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770141509
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