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Diagnostic Radiology

Puskar Pattanayak, MD

Works at hospitals in Martinez, CA · Concord, CA · Walnut Creek, CA · California

Summary

Dr. Puskar Pattanayak, MD is a radiologist at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Phone: (925) 295-1545. May accept Medicare assignment. In 2024, Puskar Pattanayak had 3,198 Original Medicare patients and 7,147 services. NPI 1982085957. 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 Puskar Pattanayak, 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 Puskar Pattanayak accept Medicare assignment?
Medicare's clinician data says Puskar Pattanayak may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Puskar Pattanayak see?
In 2024, CMS data shows 3,198 Original Medicare patients and 7,147 services for Puskar Pattanayak. This counts Original Medicare only and measures volume, not quality.
What is Puskar Pattanayak's NPI number?
1982085957. 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 Puskar Pattanayak, 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 patients3,198
Services billed to Medicare7,147
Different services or procedures149
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, gadobutrol, 0.1 ml (A9585)3,210 services
  2. Dxa bone density measurement of hip, pelvis, spine (77080)816 services
  3. X-ray of chest, 1 view (71045)446 services
  4. Mri scan of brain without contrast (70551)174 services
  5. Mri scan of brain before and after contrast (70553)141 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 pressure73%
  • Arthritis47%
  • Chronic kidney disease29%
  • Osteoporosis28%
  • Diabetes27%

Hospitals where Puskar Pattanayak works

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

Group practices

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

  • Bay Imaging Consultants Medical Group Inc146 clinicians in the group
  • John Muir Trauma Physicians Billing Service113 clinicians in the group
  • John Muir Magnetic Imaging Center57 clinicians in the group
  • Michael P Sherman MD PHD a Medical Corporation14 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All radiologists in Walnut Creek →

Other clinicians in Bay Imaging Consultants Medical Group Inc

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 assignmentMay accept for some services
NPI (National Provider Identifier)1982085957
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