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Diagnostic Radiology

Huyen V. Cao, MD

Works at hospitals in Gettysburg, PA · Ephrata, PA · Lebanon, PA · Pennsylvania

Summary

Dr. Huyen V. Cao, MD is a radiologist at 169 Martin Ave, Ephrata, PA 17522. May accept Medicare assignment. In 2024, Huyen V. Cao had 1,645 Original Medicare patients and 3,025 services. NPI 1154364727. 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 Huyen V. Cao, 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 Huyen V. Cao accept Medicare assignment?
Medicare's clinician data says Huyen V. Cao may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Huyen V. Cao see?
In 2024, CMS data shows 1,645 Original Medicare patients and 3,025 services for Huyen V. Cao. This counts Original Medicare only and measures volume, not quality.
What is Huyen V. Cao's NPI number?
1154364727. 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 Huyen V. Cao, 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 patients1,645
Services billed to Medicare3,025
Different services or procedures137
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Screening 3d breast mammography (77063)784 services
  2. Screening mammography (77067)784 services
  3. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)171 services
  4. X-ray of chest, 1 view (71045)151 services
  5. Limited ultrasound scan of 1 breast (76642)111 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 pressure71%
  • Arthritis48%
  • Diabetes28%
  • Anxiety28%
  • Ischemic heart disease25%

Hospitals where Huyen V. Cao works

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

  • 169 Martin AveEphrata, PA 17522

Specialties

Find other Diagnostic Radiology doctors in Pennsylvania →

Other radiologists in Ephrata

Clinicians with the same Medicare primary specialty in Ephrata, PA — not a recommendation.

All radiologists in Ephrata →

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1154364727
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