Doctor profile · Federal record
Dr. Leonard Kerwin, M.D.
Dermatology Physician (CMS: Dermatology) · West Bloomfield, MI
- NPI 1942525837
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6330 Orchard Lake RD Ste 120
West Bloomfield, MI 483222398
(248) 462-6045
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- January 4, 2022
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Michigan #4301096099
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942525837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,977
Distinct HCPCS
10
Medicare allowed
$467,727
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 714 | 175 | $7 | |
17000 |
Destruction of precancer skin growth, 1 growth | 339 | 254 | $51 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 281 | 234 | $91 | |
17311 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 230 | 209 | $569 | |
17110 |
Destruction of skin growth, 1-14 growths | 206 | 164 | $111 | |
11102 |
Biopsy of related skin growth, first growth | 177 | 161 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 164 | 136 | $129 | |
13121 |
Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | 111 | 106 | $334 | |
13132 |
Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | 107 | 106 | $275 | |
17312 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 91 | 76 | $417 |
In context: peer comparison
Among 8 peers in West Bloomfield Dermatology Physician, average services per provider: 188. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$33,671
Transactions
164
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Galderma Laboratories, L.P. | 35 | $23,262.76 | |
| Pfizer INC. | 10 | $7,833.35 | |
| Janssen Biotech, INC. | 26 | $448.88 | |
| Dermavant Sciences, INC. | 21 | $315.21 | |
| Sun Pharmaceutical Industries INC. | 15 | $297.34 | |
| Novartis Pharmaceuticals Corporation | 16 | $218.52 | |
| Lumenis Be INC | 1 | $197.00 | |
| Regeneron Healthcare Solutions, INC. | 10 | $189.27 | |
| Lilly USA, LLC | 7 | $155.43 | |
| Kerecis Limited | 4 | $141.74 | |
| Amgen INC. | 5 | $95.70 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $69.03 | |
| Genzyme Corporation | 3 | $67.71 | |
| Arcutis Biotherapeutics, INC. | 4 | $64.01 | |
| Biofrontera INC. | 3 | $60.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,125
Patients
819
Total drug cost
$23,532
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 251 | 187 | $2,933 |
| Ketoconazole | Generic | 156 | 92 | $3,157 |
| Cephalexin | Generic | 137 | 133 | $1,045 |
| Mupirocin | Generic | 125 | 107 | $1,052 |
| Clobetasol Propionate | Generic | 111 | 80 | $3,684 |
| Fluocinonide | Generic | 66 | 37 | $2,658 |
| Nystatin | Generic | 50 | 32 | $864 |
| Metronidazole | Generic | 47 | 29 | $2,971 |
| Doxycycline Hyclate | Generic | 44 | 39 | $531 |
| Doxycycline Monohydrate | Generic | 38 | 32 | $596 |
Hospital affiliations
Frequently asked questions
What is Dr. Leonard Kerwin's medical specialty?
Dr. Leonard Kerwin practices Dermatology Physician in West Bloomfield, MI.
Where does Dr. Leonard Kerwin practice?
Dr. Leonard Kerwin practices at 6330 Orchard Lake RD Ste 120, West Bloomfield, MI 483222398. Office phone: 2484626045.
What is Dr. Leonard Kerwin's NPI?
Dr. Leonard Kerwin's National Provider Identifier (NPI) is 1942525837, issued by NPPES.
Does Dr. Leonard Kerwin accept Medicare assignment?
Yes. Dr. Leonard Kerwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Kerwin commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.