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Diagnostic Radiology

Jason J. Ma, MD

Works at hospitals in Plano, TX · Frisco, TX · McKinney, TX … · Texas, Illinois

Summary

Dr. Jason J. Ma, MD is a radiologist at 200 Blossom St, Webster, TX 77598. Phone: (832) 632-6500. Accepts Medicare assignment. In 2024, Jason J. Ma had 4,331 Original Medicare patients and 6,085 services. NPI 1336161959. 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 Jason J. Ma, 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 Jason J. Ma accept Medicare assignment?
Yes. Medicare's clinician data says Jason J. Ma 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 Jason J. Ma see?
In 2024, CMS data shows 4,331 Original Medicare patients and 6,085 services for Jason J. Ma. This counts Original Medicare only and measures volume, not quality.
What is Jason J. Ma's NPI number?
1336161959. 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 Jason J. Ma, 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 patients4,331
Services billed to Medicare6,085
Different services or procedures172
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. X-ray of chest, 1 view (71045)2,394 services
  2. Ct scan head or brain without contrast (70450)583 services
  3. X-ray of chest, 2 views (71046)292 services
  4. Ct scan of abdomen and pelvis with contrast (74177)252 services
  5. X-ray of abdomen, 1 view (74018)156 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%
  • Arthritis56%
  • Ischemic heart disease53%
  • Chronic kidney disease44%
  • Diabetes43%

Hospitals where Jason J. Ma works

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

Group practices

Medicare enrollment lists Jason J. Ma as a member of these groups (CMS data updated October 2, 2026).

  • UTMB Faculty Group Practice1,101 clinicians in the group
  • Texas Radiology Associates LLP153 clinicians in the group
  • Illinois Diagnostic and Interventional Radiology PLLC123 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Webster

Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.

All radiologists in Webster →

Other clinicians in UTMB Faculty Group Practice

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

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336161959
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