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Mark Winkler, MD
NPI 1871568659 · Internal Medicine Physician · Moorpark, CA
Mark Winkler, MD is a Internal Medicine Physician provider in Moorpark, CA (NPI 1871568659).
Provider details
- NPI number
- 1871568659
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G067756 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
14366 Shawnee St
Moorpark, CA 93021-3569
Phone: (818) 882-5375
Fax: (818) 882-6063
Street-level locationGet directions
Mailing address
Po Box 941317
Simi Valley, CA 93094-1317
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2017-04-12
Frequently asked questions
- What is Mark Winkler's NPI number?
- Mark Winkler's National Provider Identifier (NPI) is 1871568659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Winkler's specialty?
- Mark Winkler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Winkler located?
- Mark Winkler's practice location on file with NPPES is 14366 Shawnee St, Moorpark, CA 93021-3569.
- What is Mark Winkler's phone number?
- The practice phone number listed in the NPPES registry for Mark Winkler is (818) 882-5375.
- Is Mark Winkler's NPI active?
- Yes — Mark Winkler's NPI (1871568659) is active in the NPPES registry as of the last update on 2017-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.