William Stivelman, M.D.
NPI 1114963824 · Ophthalmology Physician · Thousand Oaks, CA
Enrolled with Medicare as Order and Referring Only - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Stivelman, M.D. is a Ophthalmology Physician provider in Thousand Oaks, CA (NPI 1114963824).
Provider details
- NPI number
- 1114963824
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G50490 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2010-07-08
Frequently asked questions
- What is William Stivelman's NPI number?
- William Stivelman's National Provider Identifier (NPI) is 1114963824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stivelman's specialty?
- William Stivelman is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Stivelman located?
- William Stivelman's practice location on file with NPPES is 351 Rolling Oaks Dr, Thousand Oaks, CA 91361.
- What is William Stivelman's phone number?
- The practice phone number listed in the NPPES registry for William Stivelman is (805) 497-3744.
- Does William Stivelman accept Medicare?
- William Stivelman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Stivelman's NPI active?
- Yes — William Stivelman's NPI (1114963824) is active in the NPPES registry as of the last update on 2010-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.