Mark Winslow, DDS
NPI 1144621236 · Dentist · Porterville, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Winslow, DDS is a Dentist provider in Porterville, CA (NPI 1144621236).
Provider details
- NPI number
- 1144621236
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 63899 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Mailing address
Registry dates
- Enumerated
- 2014-09-09
- Last updated
- 2014-09-09
Frequently asked questions
- What is Mark Winslow's NPI number?
- Mark Winslow's National Provider Identifier (NPI) is 1144621236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Winslow's specialty?
- Mark Winslow is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Mark Winslow located?
- Mark Winslow's practice location on file with NPPES is 365 Pearson Dr, Porterville, CA 93257-3360.
- What is Mark Winslow's phone number?
- The practice phone number listed in the NPPES registry for Mark Winslow is (808) 284-2746.
- Does Mark Winslow accept Medicare?
- Mark Winslow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Winslow's NPI active?
- Yes — Mark Winslow's NPI (1144621236) is active in the NPPES registry as of the last update on 2014-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.