Robert Yanagisawa, MD
NPI 1114959236 · Endocrinology, Diabetes & Metabolism Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Yanagisawa, MD is a Endocrinology, Diabetes & Metabolism Physician provider in New York, NY (NPI 1114959236).
Provider details
- NPI number
- 1114959236
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209912 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
616 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 198 | $142 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 181 | $124 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 74 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 53 | $184 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $201 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, First Growth10005 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 306 | 86 |
| Levothyroxine Sodiumbrand: Synthroid | 129 | 35 |
| Metformin Hclbrand: Metformin Hcl Er | 38 | 16 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 27 | — |
| Liothyronine Sodium | 24 | — |
| Metformin Hcl | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2019-02-21
Frequently asked questions
- What is Robert Yanagisawa's NPI number?
- Robert Yanagisawa's National Provider Identifier (NPI) is 1114959236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Yanagisawa's specialty?
- Robert Yanagisawa is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Yanagisawa located?
- Robert Yanagisawa's practice location on file with NPPES is 5 E 98th St, New York, NY 10029-6501.
- What is Robert Yanagisawa's phone number?
- The practice phone number listed in the NPPES registry for Robert Yanagisawa is (212) 241-3422.
- Does Robert Yanagisawa accept Medicare?
- Robert Yanagisawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Yanagisawa's NPI active?
- Yes — Robert Yanagisawa's NPI (1114959236) is active in the NPPES registry as of the last update on 2019-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.