Doctor profile · Federal record
Dr. Ronald Kerwin, MD
Dermatology Physician (CMS: Dermatology) · West Bloomfield, MI
- NPI 1265497622
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6330 Orchard Lake RD, # 120
West Bloomfield, MI 483222398
(248) 855-3366
fax (248) 855-6213
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- November 18, 2020
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Michigan #044088
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265497622. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,167
Distinct HCPCS
10
Medicare allowed
$230,761
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 668 | 73 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 484 | 346 | $91 | |
11102 |
Biopsy of related skin growth, first growth | 336 | 272 | $95 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 301 | 220 | $129 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 218 | 61 | $172 | |
17000 |
Destruction of precancer skin growth, 1 growth | 216 | 135 | $57 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 145 | 46 | $1 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 135 | 117 | $57 | |
11900 |
Injection into skin growth, 1-7 growths | 118 | 43 | $50 | |
17110 |
Destruction of skin growth, 1-14 growths | 112 | 73 | $110 |
In context: peer comparison
Among 8 peers in West Bloomfield Dermatology Physician, average services per provider: 188. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$1,355
Transactions
63
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 9 | $295.38 | |
| Abbvie INC. | 10 | $227.13 | |
| Dermavant Sciences, INC. | 11 | $225.94 | |
| Galderma Laboratories, L.P. | 9 | $167.12 | |
| Sun Pharmaceutical Industries INC. | 10 | $149.76 | |
| Lilly USA, LLC | 3 | $68.92 | |
| Genzyme Corporation | 2 | $56.54 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $30.25 | |
| Incyte Corporation | 1 | $26.61 | |
| Ortho Dermatologics, A Division of Bausch Health US, LLC | 1 | $24.24 | |
| Kyowa Kirin, INC. | 1 | $21.41 | |
| Pfizer INC. | 1 | $17.28 | |
| Amgen INC. | 1 | $16.21 | |
| Almirall LLC | 1 | $15.87 | |
| Organon LLC | 1 | $12.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,143
Patients
818
Total drug cost
$26,281
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 362 | 270 | $5,184 |
| Ketoconazole | Generic | 121 | 74 | $3,861 |
| Mupirocin | Generic | 103 | 80 | $899 |
| Fluocinonide | Generic | 93 | 65 | $3,769 |
| Hydrocortisone | Generic | 79 | 64 | $862 |
| Doxycycline Monohydrate | Generic | 65 | 41 | $1,694 |
| Methylprednisolone | Generic | 61 | 55 | $521 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 54 | 28 | $2,443 |
| Clindamycin Phosphate | Generic | 52 | 19 | $2,212 |
| Cephalexin | Generic | 40 | 37 | $481 |
Frequently asked questions
What is Dr. Ronald Kerwin's medical specialty?
Dr. Ronald Kerwin practices Dermatology Physician in West Bloomfield, MI.
Where does Dr. Ronald Kerwin practice?
Dr. Ronald Kerwin practices at 6330 Orchard Lake RD, West Bloomfield, MI 483222398. Office phone: 2488553366.
What is Dr. Ronald Kerwin's NPI?
Dr. Ronald Kerwin's National Provider Identifier (NPI) is 1265497622, issued by NPPES.
Does Dr. Ronald Kerwin accept Medicare assignment?
Yes. Dr. Ronald Kerwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Kerwin commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of related skin growth, first growth (HCPCS 11102). Source: CMS Medicare Physician & Other Practitioners file.