Yshay Shlesinger, M.D.
NPI 1881799922 · Internal Medicine Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yshay Shlesinger, M.D. is a Internal Medicine Physician provider in San Ramon, CA (NPI 1881799922).
Provider details
- NPI number
- 1881799922
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- 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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
849 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 602 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $106 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 71 | $235 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 16 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $138 |
Typical Medicare-allowed amounts for these services range $15–$235 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 296 | 82 |
| Empagliflozinbrand: Jardiance | 178 | 56 |
| Atorvastatin Calcium | 146 | 55 |
| Metformin Hcl | 133 | 44 |
| Semaglutidebrand: Ozempic | 112 | 26 |
| Rosuvastatin Calcium | 97 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35,444 across 231 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2016-09-02
Frequently asked questions
- What is Yshay Shlesinger's NPI number?
- Yshay Shlesinger's National Provider Identifier (NPI) is 1881799922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yshay Shlesinger's specialty?
- Yshay Shlesinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yshay Shlesinger located?
- Yshay Shlesinger's practice location on file with NPPES is 111 Deerwood Rd, San Ramon, CA 94583-2197.
- What is Yshay Shlesinger's phone number?
- The practice phone number listed in the NPPES registry for Yshay Shlesinger is (925) 552-5284.
- Does Yshay Shlesinger accept Medicare?
- Yshay Shlesinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yshay Shlesinger's NPI active?
- Yes — Yshay Shlesinger's NPI (1881799922) is active in the NPPES registry as of the last update on 2016-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.