Dr. David A. Grekin, MD
- Medicare services, 2023
- 387
- Part D claims, 2024
- 12
- Industry payments
- $420
- Medical group
- 1
- State license
- 1
- Practice address
- 18101 Oakwood Blvd, Dearborn, MI 48124
- Practice phone
- Call (313) 593-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Beaumont Hospital - Dearborn
Dearborn, Michigan
Find Dr. Grekin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David A. Grekin is a dermatologist in Dearborn, Michigan
Dr. Grekin practices at Beaumont Hospital - Dearborn in Dearborn, Michigan.
Dr. Grekin's NPI, 1316057045, was assigned on August 30, 2006. Dr. Grekin graduated from University of Michigan Medical School in 1971. Dr. Grekin holds Michigan license 4301036713.
- NPI
- 1316057045NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (313) 593-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David A. Grekin practices at Beaumont Hospital - Dearborn in Dearborn, Michigan
Dr. Grekin's primary practice is Beaumont Hospital - Dearborn, at 18101 Oakwood Blvd, Dearborn, MI 48124 in Wayne County. The practice phone is (313) 593-7000.
- Beaumont Hospital - Dearborn18101 Oakwood Blvd, Dearborn, MI 48124 · Wayne CountyPhone(313) 593-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David A. Grekin is affiliated with 1 site of care and 1 medical group
Dr. Grekin's primary practice is Beaumont Hospital - Dearborn in Dearborn, Michigan. The medical group on file is CHI Saint Joseph Medical Group - Ear, Nose & Throat Care.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David A. Grekin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grekin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beaumont Hospital - Dearborn | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David A. Grekin is one of 430 dermatologists in Michigan
Dermatology is Dr. Grekin's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Grekin is licensed in Michigan.
Specialties and state licenses
- Dermatology, MichiganPrimary
Dermatologists near Dr. Grekin
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David A. Grekin billed Medicare for 387 services in 2023
CMS data shows 387 Medicare services from Dr. Grekin across 7 procedure codes in 2023. Medicare paid $13,009 for them. Every service was in an office.
Dr. Grekin's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 7182023: 23967%
- Office and hospital visits
- 2022: 4162023: 14864%
Dr. Grekin compared with the Michigan median for dermatologists, 2023
- Dr. Grekin
- Michigan median
- Medicare services
- 387vs 1,43373% below
- Part D claims
- 152vs 52871% below
Medians across 396 dermatologists in Michigan with Dmand AI profiles that report each measure.
Dr. Grekin's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grekin and other dermatologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Grekin's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Grekin's median patient age at 73, with 51% women.
Dr. Grekin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. David A. Grekin wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Grekin wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 4 drugs, with $3,715 in total drug cost. In 2022, CMS named 329 claims across 5 drugs.
Dr. Grekin's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3292023: 15254%
Drugs named by CMS: 4 in 2023, 5 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. David A. Grekin received $420 in industry payments from 2016 to 2023
CMS Open Payments shows 27 general payments to Dr. Grekin from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 93% of the total. Bristol-Myers Squibb Company paid the most, $87.
General payments to Dr. Grekin by program year, 2016 to 2023
General payments to Dr. Grekin by kind, 2016 to 2023
- Food and beverage$38993%
- Education$317%
Companies that paid Dr. Grekin the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Grekin graduated from University of Michigan Medical School
Dr. Grekin graduated from University of Michigan Medical School in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Grekin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David A. Grekin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David A. Grekin's NPI number?
Dr. David A. Grekin's NPI number is 1316057045. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Grekin?
Dr. David A. Grekin is a dermatologist in Dearborn, Michigan. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. David A. Grekin practice?
Dr. Grekin practices at 18101 Oakwood Blvd, Dearborn, MI 48124. Dr. Grekin's primary practice is Beaumont Hospital - Dearborn in Dearborn, Michigan.
What is Dr. David A. Grekin's office phone number?
The practice phone on file for Dr. Grekin is (313) 593-7000.
What is Dr. David A. Grekin's medical license number?
Dr. Grekin holds Michigan license 4301036713.
What medical group is Dr. David A. Grekin part of?
Dr. Grekin is linked to CHI Saint Joseph Medical Group - Ear, Nose & Throat Care.
Does Dr. David A. Grekin accept Medicare?
Yes. CMS data shows Dr. Grekin billed Medicare for 387 services in 2023.
What services does Dr. David A. Grekin bill to Medicare?
In 2023, Dr. Grekin's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and office visit, established patient (99212).
Where did Dr. David A. Grekin go to medical school?
Dr. Grekin graduated from University of Michigan Medical School in 1971.
What drugs does Dr. David A. Grekin prescribe most?
In 2023 Medicare Part D data, Dr. Grekin's most prescribed drugs by claims were Triamcinolone Acetonide, Clobetasol Propionate and Ketoconazole.
Has Dr. David A. Grekin received payments from drug or device companies?
CMS Open Payments shows $420 in general payments to Dr. Grekin from 8 companies from 2016 to 2023. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. David A. Grekin been practicing?
Dr. Grekin graduated from medical school in 1971, 55 years ago.
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