Yshay Shlesinger, M.D., a Professional Corporation
NPI 1770763419 · Internal Medicine Physician · San Ramon, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yshay Shlesinger, M.D., a Professional Corporation is a Internal Medicine Physician organization in San Ramon, CA (NPI 1770763419).
Provider details
- NPI number
- 1770763419
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yshay Shlesinger, Ceo(925) 552-5284
- License
- A65724 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Other names (DBA / former)
- Doing business as
- Norcal Endocrinology & Internal Medicine
Registry dates
- Enumerated
- 2007-11-09
- Last updated
- 2016-09-13
Frequently asked questions
- What is Yshay Shlesinger, M.D., a Professional Corporation's NPI number?
- Yshay Shlesinger, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1770763419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Yshay Shlesinger, M.D., a Professional Corporation?
- Yshay Shlesinger, M.D., a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yshay Shlesinger, M.D., a Professional Corporation located?
- Yshay Shlesinger, M.D., a Professional Corporation's practice location on file with NPPES is 111 Deerwood Rd, San Ramon, CA 94583.
- What is Yshay Shlesinger, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Yshay Shlesinger, M.D., a Professional Corporation is (925) 552-5284.
- Does Yshay Shlesinger, M.D., a Professional Corporation accept Medicare?
- Yshay Shlesinger, M.D., a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Yshay Shlesinger, M.D., a Professional Corporation?
- The authorized official listed on Yshay Shlesinger, M.D., a Professional Corporation's NPPES record is Yshay Shlesinger, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Yshay Shlesinger, M.D., a Professional Corporation's NPI active?
- Yes — Yshay Shlesinger, M.D., a Professional Corporation's NPI (1770763419) is active in the NPPES registry as of the last update on 2016-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.