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Diagnostic Radiology

Yachao Zhang, MD

Works at hospitals in Hackettstown, NJ · Milford, DE · Bronx, NY … · New Jersey, Delaware, New York, Texas

Summary

Dr. Yachao Zhang, MD is a radiologist at 100 Madison Ave, Morristown, NJ 07960. Phone: (610) 892-8889. May accept Medicare assignment. In 2024, Yachao Zhang had 173 Original Medicare patients and 349 services. NPI 1689932071. 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 Yachao Zhang, 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 Yachao Zhang accept Medicare assignment?
Medicare's clinician data says Yachao Zhang may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Yachao Zhang see?
In 2024, CMS data shows 173 Original Medicare patients and 349 services for Yachao Zhang. This counts Original Medicare only and measures volume, not quality.
What is Yachao Zhang's NPI number?
1689932071. 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 Yachao Zhang, 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 patients173
Services billed to Medicare349
Different services or procedures80
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct scan head or brain without contrast (70450)31 services
  2. X-ray of chest, 1 view (71045)27 services
  3. Ultrasound study of arm or leg veins with compression and maneuvers (93970)18 services
  4. Ct scan of abdomen and pelvis with contrast (74177)15 services
  5. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)15 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%
  • Diabetes60%
  • Arthritis55%
  • Ischemic heart disease43%
  • Chronic kidney disease42%

Hospitals where Yachao Zhang works

Medicare's Facility Affiliation Data lists Yachao Zhang 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 Yachao Zhang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 22; the Medicare profile lists all.

Group practices

Medicare enrollment lists Yachao Zhang as a member of these groups (CMS data updated October 2, 2026).

  • Physician Affiliate Group of New York PC1,225 clinicians in the group
  • Ancillary Services of Practice Associates PA102 clinicians in the group
  • Bayhealth Radiologists LLC92 clinicians in the group
  • Gifford Medical Center Inc56 clinicians in the group
  • Maui Health System a Kaiser Foundation Hospitals LLC51 clinicians in the group
  • Hospital Specialist Solutions LLC44 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New Jersey →

Other radiologists in Morristown

Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.

All radiologists in Morristown →

Other clinicians in Physician Affiliate Group of New York PC

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

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1689932071
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