Dr. William Winkelman, MD
725 Concord Ave Ste 3500, Cambridge, MA 02138 • +1-308-555-1654
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Cambridge Percentiles
NPI #1316289440 • CBSA Regional • Obstetrics & Gynecology
CMS Medicare Part B utilization records credit Dr. William Winkelman (MD, NPI 1316289440) at 725 Concord Ave Ste 3500 in Cambridge with 7,789 annual clinical services (383 beneficiaries), corresponding to a +1.55σ regional deviation and upper-quartile active clinical volume (66.67th Cambridge percentile) with sub-specialty concentration in 75 Active CMS HCPCS Codes.
Dr. Winkelman's longitudinal care intensity (20.3 billed units per patient across 383 individuals) centers on 99214 (741 annual units) and 76830 ($70–$96 cash range).
Direct cash-pay transparency modeling sets Dr. Winkelman's baseline new-consult rate near $224.00 in Cambridge, MA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 19-minute average reception wait).
Clinical background for Dr. Winkelman (MD, NPI #1316289440) includes accredited doctoral training (2009, 17 yrs in practice) and virtual + in-office availability across MA.
Compared against Cambridge, MA Obstetrics & Gynecology peers
7,789 annual services across 383 beneficiaries
Standard deviations from MA Obstetrics & Gynecology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Gynecologic, Menopause HRT & Endocrine Follow-Up | 741 | 66.67th | $54 – $75 |
| 76830 | Transvaginal Pelvic & Ovarian Diagnostic Ultrasound | 456 | 65.67th | $70 – $96 |
| 99213 | Established Women’s Health & Preventive Care Visit | 380 | 65.67th | $43 – $58 |
| 58100 | Endometrial Sampling Biopsy w/ Cannula | 171 | 68.67th | $73 – $100 |
| 99204 | Comprehensive New Patient OB/GYN & Hormone Evaluation | 152 | 62.67th | $77 – $105 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (75 HCPCS billing breadth) | 5,889 | 66.67th | $49 – $71 |
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Dr. William Winkelman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Winkelman National Provider Identifier | NPI #1316289440 (MD) | CMS NPPES Registry (02138) |
| Dr. Winkelman Cambridge CMS Volume Rank | 66.67th Pct (7,789 CMS svcs; Z +1.548σ) | CMS Medicare Part B (MA Obstetrics & Gynecology) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Cambridge, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 19 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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