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Hematology/Oncology

San San Wynn, MD

Works at hospitals in Patchogue, NY · New York, NY · New York

Summary

Dr. San San Wynn, MD is a hematologist-oncologist at 3016 30th Dr, Astoria, NY 11102. Phone: (631) 751-3000. Accepts Medicare assignment. In 2024, San San Wynn had 26 Original Medicare patients and 7,795 services. NPI 1083687289. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 3016 30th Dr, Astoria, NY 11102 · Directions (1 more location)
  • Phone: (631) 751‑3000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Long Island Community Hospital, NYU Langone Hospitals
  • Group practice: North Shore Hematology Oncology Associates PC
  • Medical school: graduated 1984 (42 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about San San Wynn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does San San Wynn accept Medicare assignment?
Yes. Medicare's clinician data says San San Wynn 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 San San Wynn see?
In 2024, CMS data shows 26 Original Medicare patients and 7,795 services for San San Wynn. This counts Original Medicare only and measures volume, not quality.
What is San San Wynn's NPI number?
1083687289. 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 San San Wynn, 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 patients26
Services billed to Medicare7,795
Different services or procedures27
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)138 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)115 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 services
  4. Influenza vaccine split virus, preservative free (90662)13 services
  5. Administration of influenza virus vaccine (G0008)13 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 blood pressure75%
  • High cholesterol75%
  • Arthritis54%
  • Diabetes42%
  • Chronic kidney disease42%

Hospitals where San San Wynn works

Medicare's Facility Affiliation Data lists San San Wynn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Long Island Community HospitalPatchogue, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330141
  • NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where San San Wynn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists San San Wynn as a member of this group (CMS data updated October 2, 2026).

  • North Shore Hematology Oncology Associates PC479 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in New York →

Other hematologist-oncologists in Astoria

Clinicians with the same Medicare primary specialty in Astoria, NY — not a recommendation.

All hematologist-oncologists in Astoria →

Other clinicians in North Shore Hematology Oncology Associates PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1984 (42 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083687289
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians