Stuart Winkler, M.D.
NPI 1588953764 · Gynecologic Oncology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Gynecological Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stuart Winkler, M.D. is a Gynecologic Oncology Physician provider in San Antonio, TX (NPI 1588953764).
Provider details
- NPI number
- 1588953764
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- U2038 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$693 across 13 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
Additional practice locations (1)
- 1200 Brooklyn Ave Ste 115San Antonio, TX 78212-4815Phone: (210) 598-4300
Registry dates
- Enumerated
- 2011-03-28
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Stuart Winkler's NPI number?
- Stuart Winkler's National Provider Identifier (NPI) is 1588953764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stuart Winkler's specialty?
- Stuart Winkler is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stuart Winkler located?
- Stuart Winkler's practice location on file with NPPES is 2130 Ne Loop 410 Ste 100, San Antonio, TX 78217-4660.
- What is Stuart Winkler's phone number?
- The practice phone number listed in the NPPES registry for Stuart Winkler is (210) 656-7177.
- Does Stuart Winkler accept Medicare?
- Stuart Winkler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stuart Winkler's NPI active?
- Yes — Stuart Winkler's NPI (1588953764) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.