Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Youqin Zhou, MD

Works at hospitals in Boston, MA · Melrose, MA · Massachusetts

Summary

Dr. Youqin Zhou, MD is an internal medicine doctor at 585 Lebanon St, Melrose, MA 02176. Phone: (781) 979-3000. Accepts Medicare assignment. In 2024, Youqin Zhou had 422 Original Medicare patients and 1,455 services. NPI 1134502446. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Youqin Zhou, 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 Youqin Zhou accept Medicare assignment?
Yes. Medicare's clinician data says Youqin Zhou 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 Youqin Zhou see?
In 2024, CMS data shows 422 Original Medicare patients and 1,455 services for Youqin Zhou. This counts Original Medicare only and measures volume, not quality.
What is Youqin Zhou's NPI number?
1134502446. 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 Youqin Zhou, 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 patients422
Services billed to Medicare1,455
Different services or procedures6
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)755 services
  2. Hospital discharge day management, more than 30 minutes (99239)290 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)289 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)108 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%
  • Chronic kidney disease62%
  • Ischemic heart disease59%
  • Arthritis56%
  • Heart failure52%

Hospitals where Youqin Zhou works

Medicare's Facility Affiliation Data lists Youqin Zhou 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 Youqin Zhou is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Massachusetts Acute Care Specialists PC43 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Melrose

Clinicians with the same Medicare primary specialty in Melrose, MA — not a recommendation.

All internal medicine doctors in Melrose →

Other clinicians in Massachusetts Acute Care Specialists PC

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

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134502446
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