Dr. Leonard Kerwin, MD
6330 Orchard Lake Rd Ste 120, West Bloomfield, MI 48322 • +1-660-555-2803
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & West Bloomfield Percentiles
NPI #1942525837 • CBSA Regional • Dermatology
Operating out of West Bloomfield, MI (6330 Orchard Lake Rd Ste 120), Dermatology clinician Dr. Leonard Kerwin, MD (accredited MD/DO training, 1995) maintains a mid-cohort balanced caseload (60th West Bloomfield percentile) (71.58th MI percentile; Z-score +0.13σ across 3,835 documented services) with sub-specialty concentration in 94 Active CMS HCPCS Codes.
Procedural volume for Dr. Kerwin is led by HCPCS 17000 (Cryotherapy Destruction of Premalignant Actinic Lesion — 1180 annual services, $170–$234 GPCI cash estimate), followed by CPT 99213 (Focused Cutaneous & Dermoscopic Examination, 1076/yr) and CPT 11102 (Tangential Diagnostic Skin Biopsy of Single Lesion, 660/yr).
Direct cash-pay transparency modeling sets Dr. Kerwin's baseline new-consult rate near $209.00 in West Bloomfield, MI (cash-pay accepted, in-person clinic visits only, 13-minute average reception wait).
Clinical background for Dr. Kerwin (MD, NPI #1942525837) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 6330 Orchard Lake Rd Ste 120.
Compared against West Bloomfield, MI Dermatology peers
3,835 annual services across 792 beneficiaries
Standard deviations from MI Dermatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 17000 | Cryotherapy Destruction of Premalignant Actinic Lesion | 1,180 | 60th | $170 – $234 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 1,076 | 59th | $191 – $261 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 660 | 63th | $251 – $344 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 347 | 58th | $351 – $481 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 208 | 56th | $271 – $371 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (94 HCPCS billing breadth) | 363 | 60th | $208 – $302 |
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Dr. Leonard Kerwin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kerwin National Provider Identifier | NPI #1942525837 (MD) | CMS NPPES Registry (48322) |
| Dr. Kerwin West Bloomfield CMS Volume Rank | 60.00th Pct (3,835 CMS svcs; Z +0.129σ) | CMS Medicare Part B (MI Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (West Bloomfield, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 13 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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