Dr. Leonard Yale Kerwin, MD
- Medicare services, 2024
- 3,257
- Medicare patients, 2024
- 792
- Part D claims, 2024
- 1,445
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Practice address
- 43900 Garfield Rd, Clinton Twp, MI 48038
- Practice phone
- Call (586) 286-0112
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Midwest Center for Dermatology & Pathology
Clinton Twp, Michigan
Find Dr. Kerwin'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. Leonard Yale Kerwin is a dermatologist in Clinton Twp, Michigan
Dr. Kerwin practices at Midwest Center for Dermatology & Pathology in Clinton Twp, Michigan.
Dr. Kerwin's NPI, 1942525837, was assigned on April 2, 2010. Dr. Kerwin graduated from Wayne State University School of Medicine in 2010. Dr. Kerwin holds Michigan license 4301096099.
- NPI
- 1942525837NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022233493
- NPI enumeration date
- April 2, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (586) 286-0112
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard Yale Kerwin practices at Midwest Center for Dermatology & Pathology in Clinton Twp, Michigan
Dr. Kerwin's primary practice is Midwest Center for Dermatology & Pathology, at 43900 Garfield Rd, Clinton Twp, MI 48038 in Macomb County. The practice phone is (586) 286-0112.
- Midwest Center for Dermatology & Pathology43900 Garfield Rd, Clinton Twp, MI 48038 · Macomb CountyPhone(586) 286-0112
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonard Yale Kerwin is affiliated with 5 sites of care and 3 medical groups
Dr. Kerwin's primary practice is Midwest Center for Dermatology & Pathology in Clinton Twp, Michigan. Dr. Kerwin is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Midwest Dermatology. Dmand AI also links Dr. Kerwin to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leonard Yale Kerwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kerwin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Midwest Center for Dermatology & Pathology | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard Yale Kerwin is one of 430 dermatologists in Michigan
Dermatology is Dr. Kerwin's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Kerwin is licensed in Michigan.
Specialties and state licenses
- Dermatology, MichiganPrimary
Dermatologists near Dr. Kerwin
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. Leonard Yale Kerwin billed Medicare for 3,257 services in 2024
CMS data shows 3,257 Medicare services from Dr. Kerwin across 29 procedure codes in 2024, for 792 Medicare patients. Medicare paid $376,917 for them. Every service was in an office.
Dr. Kerwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,3072024: 2,5119%
- Office and hospital visits
- 2023: 6352024: 6543%
- Drugs given in the office
- 2023: 352024: 6689%
- Tests and treatments
- 2023: 02024: 26
Dr. Kerwin compared with the Michigan median for dermatologists, 2024
- Dr. Kerwin
- Michigan median
- Medicare services
- 3,257vs 1,4332.3 times
- Medicare patients
- 792vs 3862.1 times
- Part D claims
- 1,322vs 5282.5 times
Medians across 396 dermatologists in Michigan with Dmand AI profiles that report each measure.
Dr. Kerwin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kerwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kerwin and other dermatologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard Yale Kerwin treated 792 Medicare patients in 2024, average age 75
CMS counts 792 Medicare patients who saw Dr. Kerwin in 2024. The largest group is 65 to 74, with 377 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kerwin's median patient age at 64, with 46% women.
Dr. Kerwin's Medicare patients by age, 2024
Dr. Kerwin's Medicare patients by sex, 2024
- Women35144%
- Men44156%
Chronic conditions among Dr. Kerwin's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis40%
- Ischemic heart disease32%
- Diabetes26%
- Anxiety19%
- Chronic kidney disease19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kerwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard Yale Kerwin wrote 1,445 Medicare Part D claims in 2024
In 2024, Dr. Kerwin wrote 1,445 Medicare Part D claims for 669 patients. 96% of them were for generic drugs. CMS names the drug for 1,322 of them, across 19 drugs with 11 or more claims each, at $79,034 in total drug cost. In 2023, CMS named 1,152 claims across 17 drugs.
Dr. Kerwin's Part D claims by kind of drug, 2024
- Generic1,390 claims96%
- Brand-name55 claims4%
Dr. Kerwin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kerwin's Part D claims, 2024
- Opioids1%19 of 1,445 claims
- Antibiotics15%221 of 1,445 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1522024: 1,32215%
Drugs named by CMS: 19 in 2024, 17 in 2023.
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
Dr. Leonard Yale Kerwin scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Kerwin for performance year 2024, reported as part of a group. Dr. Kerwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 222 procedures of melanoma (skin cancer) excision by Dr. Kerwin, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Kerwin's MIPS scores, performance year 2024
- 92of 100Final score
- 91.1of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Kerwin ranks in Medicare procedure volume
- Removal of skin lesions
- 94th percentile1,103 procedures
- Removal of skin cancer
- 59th percentile485 procedures
- Skin biopsy
- 90th percentile288 procedures
- Melanoma (skin cancer) excision
- 98th percentile222 procedures
- Removal or shaving of skin growth
- 66th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Leonard Yale Kerwin received $148,545 in industry payments from 2016 to 2025
CMS Open Payments shows 1,287 general payments to Dr. Kerwin from 56 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 76% of the total. Galderma Laboratories, L.P. paid the most, $65,136.
General payments to Dr. Kerwin by program year, 2016 to 2025
General payments to Dr. Kerwin by kind, 2016 to 2025
- Speaker and faculty fees$113,01576%
- Food and beverage$21,62115%
- Consulting fees$8,6256%
- Travel and lodging$3,8843%
- Other$1,4001%
Companies that paid Dr. Kerwin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard Yale Kerwin graduated from Wayne State University School of Medicine
Dr. Kerwin graduated from Wayne State University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard Yale Kerwin'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Leonard Yale Kerwin
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. Leonard Yale Kerwin's NPI number?
Dr. Leonard Yale Kerwin's NPI number is 1942525837. It was assigned on April 2, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard Yale Kerwin?
Dr. Leonard Yale Kerwin is a dermatologist in Clinton Twp, Michigan. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Leonard Yale Kerwin practice?
Dr. Kerwin practices at 43900 Garfield Rd, Clinton Twp, MI 48038. Dr. Kerwin's primary practice is Midwest Center for Dermatology & Pathology in Clinton Twp, Michigan. Dmand AI also links Dr. Kerwin to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Leonard Yale Kerwin's office phone number?
The practice phone on file for Dr. Kerwin is (586) 286-0112.
What is Dr. Leonard Yale Kerwin's medical license number?
Dr. Kerwin holds Michigan license 4301096099.
Which hospitals is Dr. Leonard Yale Kerwin affiliated with?
Dr. Kerwin is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Kerwin to 1 more hospital.
What medical group is Dr. Leonard Yale Kerwin part of?
Dr. Kerwin is linked to Midwest Dermatology. Dmand AI links Dr. Kerwin to 2 more medical groups.
Does Dr. Leonard Yale Kerwin accept Medicare?
Yes. CMS data shows Dr. Kerwin billed Medicare for 3,257 services in 2024, and Dr. Kerwin accepts Medicare assignment.
What is Dr. Leonard Yale Kerwin's MIPS score?
Dr. Kerwin's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leonard Yale Kerwin see?
CMS counts 792 Medicare patients who saw Dr. Kerwin in 2024, with an average age of 75.
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What services does Dr. Leonard Yale Kerwin bill to Medicare?
In 2024, Dr. Kerwin's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and office visit, established patient (99213).
Where did Dr. Leonard Yale Kerwin go to medical school?
Dr. Kerwin graduated from Wayne State University School of Medicine in 2010.
What drugs does Dr. Leonard Yale Kerwin prescribe most?
In 2024 Medicare Part D data, Dr. Kerwin's most prescribed drugs by claims were Triamcinolone Acetonide, Mupirocin and Ketoconazole.
Has Dr. Leonard Yale Kerwin received payments from drug or device companies?
CMS Open Payments shows $148,545 in general payments to Dr. Kerwin from 56 companies from 2016 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Leonard Yale Kerwin been practicing?
Dr. Kerwin graduated from medical school in 2010, 16 years ago.
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