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William Winkler, MD
NPI 1033266655 · Family Medicine Physician · Wsahington, MO
William Winkler, MD is a Family Medicine Physician provider in Wsahington, MO (NPI 1033266655).
Provider details
- NPI number
- 1033266655
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R7755 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
851 E 5th St
Ste 200
Wsahington, MO 63090
Phone: (636) 239-8585
Fax: (636) 239-8553
Street-level locationGet directions
Mailing address
851 E 5th St
Washington, MO 63090-3135
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2012-09-07
Frequently asked questions
- What is William Winkler's NPI number?
- William Winkler's National Provider Identifier (NPI) is 1033266655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Winkler's specialty?
- William Winkler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Winkler located?
- William Winkler's practice location on file with NPPES is 851 E 5th St, Wsahington, MO 63090.
- What is William Winkler's phone number?
- The practice phone number listed in the NPPES registry for William Winkler is (636) 239-8585.
- Is William Winkler's NPI active?
- Yes — William Winkler's NPI (1033266655) is active in the NPPES registry as of the last update on 2012-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.