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Internal Medicine

Myat San, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Dr. Myat San, MD is an internal medicine doctor at 115 Saint Nicholas Ave, Brooklyn, NY 11237. Phone: (718) 418-8368. Accepts Medicare assignment. In 2024, Myat San had 102 Original Medicare patients and 982 services. NPI 1134284581. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 115 Saint Nicholas Ave, Brooklyn, NY 11237 · Directions (1 more location)
  • Phone: (718) 418‑8368
  • Medicare: Accepts Medicare assignment
  • Hospital: Wyckoff Heights Medical Center
  • Group practice: St. Nicholas Medical PC
  • Medical school: graduated 1979 (47 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Myat San, 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 Myat San accept Medicare assignment?
Yes. Medicare's clinician data says Myat San 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 Myat San see?
In 2024, CMS data shows 102 Original Medicare patients and 982 services for Myat San. This counts Original Medicare only and measures volume, not quality.
What is Myat San's NPI number?
1134284581. 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 Myat San, 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 patients102
Services billed to Medicare982
Different services or procedures25
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)392 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)262 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)79 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)53 services
  5. Administration of influenza virus vaccine (G0008)32 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 pressure74%
  • Diabetes43%
  • Arthritis33%
  • Anxiety21%
  • Ischemic heart disease17%

Hospitals where Myat San works

Medicare's Facility Affiliation Data lists Myat San 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.

Practice locations

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

Group practices

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

  • St. Nicholas Medical PC4 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

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

All internal medicine doctors in Brooklyn →

Other clinicians in St. Nicholas Medical PC

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

Clinician information

CredentialMD
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134284581
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