Quick answers
- Does Yukio Sonoda accept Medicare assignment?
- Yes. Medicare's clinician data says Yukio Sonoda accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Yukio Sonoda see?
- In 2024, CMS data shows 230 Original Medicare patients and 519 services for Yukio Sonoda. This counts Original Medicare only and measures volume, not quality.
- What is Yukio Sonoda's NPI number?
- 1134104482. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Yukio Sonoda, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 230 |
|---|---|
| Services billed to Medicare | 519 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)209 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)72 services
- Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less (58571)14 services
- Imaging of lymph nodes during surgery (38900)11 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure73%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)53%
- Arthritis50%
- Anxiety33%
- Osteoporosis31%
Practice locations
Addresses where Yukio Sonoda is enrolled with Medicare (CMS data updated October 2, 2026).
- 1133 York AveNew York, NY 10065 (646) 888‑7100
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 160 E 53rd StNew York, NY 10022 (212) 610‑0496
- 500 Westchester AveWest Harrison, NY 10604 (212) 639‑2000
Group practices
Medicare enrollment lists Yukio Sonoda as a member of these groups (CMS data updated October 2, 2026).
- MSKCC Surgery Group369 clinicians in the group
- MSK Harrison132 clinicians in the group
Specialties
- Gynecological Oncologyprimary
Other gynecologic oncologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in MSKCC Surgery Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134104482 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians