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 patients | 3,198 |
|---|---|
| Services billed to Medicare | 7,147 |
| Different services or procedures | 149 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)3,210 services
- Dxa bone density measurement of hip, pelvis, spine (77080)816 services
- X-ray of chest, 1 view (71045)446 services
- Mri scan of brain without contrast (70551)174 services
- 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.
- Contra Costa Regional Medical CenterMartinez, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050276
- John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050496
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
Practice locations
Addresses where Puskar Pattanayak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1601 Ygnacio Valley RdWalnut Creek, CA 94598 (925) 295‑1545
- 1601 Ygnacio Vly RdWalnut Creek, CA 94596 (925) 939‑3000
- 500 Ala Moana Blvd, Suite 7 421Honolulu, HI 96813 (925) 296‑7150
- 500 Lennon LnWalnut Creek, CA 94598 (925) 939‑9610
- 575 Lennon Ln, Suite 153Walnut Creek, CA 94598 (925) 939‑9610
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
- Diagnostic Radiologyprimary
Other radiologists in Walnut Creek
Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.
Other clinicians in Bay Imaging Consultants Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1982085957 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians