William Winkelman, MD
NPI 1316289440 · Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Winkelman, MD is a Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician provider in Cambridge, MA (NPI 1316289440).
Provider details
- NPI number
- 1316289440
- Entity type
- Individual
- Primary specialty
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 269596 (MA)
Specialties & taxonomies
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) PhysicianPrimary207VF0040XLicense 269596 (MA)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,640 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Urinalysis, Manual Test81002 | 206 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 182 | $99 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 176 | $13 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 135 | $17 |
| Pelvic Exam99459 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Vibegronbrand: Gemtesa | 183 | 51 |
| Estradiol | 181 | 101 |
| Mirabegronbrand: Myrbetriq | 141 | 44 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 54 | 41 |
| Mirabegronbrand: Mirabegron Er | 49 | 15 |
| Estradiolbrand: Estring | 38 | 18 |
| Estradiolbrand: Yuvafem | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,229 across 69 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-27
- Last updated
- 2024-06-13
- Certified
- 2024-06-13
Frequently asked questions
- What is William Winkelman's NPI number?
- William Winkelman's National Provider Identifier (NPI) is 1316289440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Winkelman's specialty?
- William Winkelman is listed in the NPPES registry with a primary specialty of Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Winkelman located?
- William Winkelman's practice location on file with NPPES is 725 Concord Ave Ste 3500, Cambridge, MA 02138-1052.
- What is William Winkelman's phone number?
- The practice phone number listed in the NPPES registry for William Winkelman is (617) 354-5452.
- Does William Winkelman accept Medicare?
- William Winkelman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Winkelman's NPI active?
- Yes — William Winkelman's NPI (1316289440) is active in the NPPES registry as of the last update on 2024-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.