Roger Schlesinger, MD
NPI 1669439816 · Gynecologic Oncology Physician · Fullerton, CA
Roger Schlesinger, MD is a Gynecologic Oncology Physician provider in Fullerton, CA (NPI 1669439816).
Provider details
- NPI number
- 1669439816
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G22884 (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
- 2006-04-28
- Last updated
- 2008-08-12
Frequently asked questions
- What is Roger Schlesinger's NPI number?
- Roger Schlesinger's National Provider Identifier (NPI) is 1669439816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Schlesinger's specialty?
- Roger Schlesinger is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Schlesinger located?
- Roger Schlesinger's practice location on file with NPPES is 1950 Sunny Crest Dr, Fullerton, CA 92835-3618.
- What is Roger Schlesinger's phone number?
- The practice phone number listed in the NPPES registry for Roger Schlesinger is (714) 992-5350.
- Is Roger Schlesinger's NPI active?
- Yes — Roger Schlesinger's NPI (1669439816) is active in the NPPES registry as of the last update on 2008-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.