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Internal Medicine

Bo Zaw Win, MD

Works at hospitals in Frederick, MD · Maryland

Summary

Dr. Bo Zaw Win, MD is an internal medicine doctor at 1300 I St NW, Suite 400e, Washington, DC 20005. Phone: (888) 964-6681. Accepts Medicare assignment. In 2024, Bo Zaw Win had 172 Original Medicare patients and 703 services. NPI 1942398870. 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: 1300 I St NW, Suite 400e, Washington, DC 20005 · Directions (1 more location)
  • Phone: (888) 964‑6681
  • Medicare: Accepts Medicare assignment
  • Hospital: Frederick Health Hospital
  • Group practice: Healthdrive Medical Services PC
  • Medical school: University College Of Medicine · graduated 1969 (57 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Bo Zaw Win, 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 Bo Zaw Win accept Medicare assignment?
Yes. Medicare's clinician data says Bo Zaw Win 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 Bo Zaw Win see?
In 2024, CMS data shows 172 Original Medicare patients and 703 services for Bo Zaw Win. This counts Original Medicare only and measures volume, not quality.
What is Bo Zaw Win's NPI number?
1942398870. 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 Bo Zaw Win, 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 patients172
Services billed to Medicare703
Different services or procedures11
Participating Medicare providerYes
Average age of these patients84

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)295 services
  2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)171 services
  3. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)125 services
  4. Nursing facility discharge management, more than 30 minutes (99316)58 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)17 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%
  • Arthritis72%
  • Ischemic heart disease60%
  • Depression55%
  • Alzheimer's disease or dementia51%

Hospitals where Bo Zaw Win works

Medicare's Facility Affiliation Data lists Bo Zaw Win 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.

  • Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005

Practice locations

Addresses where Bo Zaw Win is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bo Zaw Win as a member of this group (CMS data updated October 2, 2026).

  • Healthdrive Medical Services PC52 clinicians in the group

Specialties

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All internal medicine doctors in Washington →

Other clinicians in Healthdrive Medical Services PC

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

Clinician information

CredentialMD
Medical schoolUniversity College Of Medicine
Graduation year1969 (57 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942398870
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