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Edit this profileBased in West Bloomfield, MI, Ronald D. Kerwin, MD is listed in the NPI registry under dermatology. Ronald graduated from Wayne State University School of Medicine in 1976. According to Medicare claims data, Ronald cared for 1,780 Medicare patients across 3,112 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1265497622 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6330 ORCHARD LAKE RD # 120
West Bloomfield, MI 48322
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
3,112 services · 1,780 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
500 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
306 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
283 | More than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
194 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
150 | More often than most peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
111 | More than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
84 | More often than most peers in Dermatology |
| Simple or single drainage of skin abscess | Procedure | 10060 |
70 | More than most peers in Dermatology |
| Biopsy of ear | Procedure | 69100 |
16 | Less often than most peers in Dermatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
63 | More often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Kerwin is a dermatologist (skin doctor) in West Bloomfield, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Dr. Kerwin is listed at 6330 Orchard Lake Rd # 120, West Bloomfield, MI 48322. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (248) 855-3366. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Kerwin's National Provider Identifier is 1265497622. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Kerwin attended Wayne State University School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
Dr. Kerwin has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Kerwin performs procedures including destruction of precancer skin growth, 2-14 growths, biopsy of related skin growth, first growth and destruction of precancer skin growth, 15 or more growths; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kerwin. If this is you, claiming it is free.
Guide.md
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