NPPES file of Aug 9, 2026

John Muir Physician Network in Walnut Creek, CA

This organization bills under NPI 1841407665, an organization record issued on May 17, 2007 with the primary taxonomy General Practice Physician. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1841407665
Legal name
John Muir Physician Network
Entity
Type 2 · organization
Primary taxonomy
General Practice Physician 208D00000X
Practice location
1450 TREAT BLVD SUITE 300, Walnut Creek, CA 94597
Phone
925-296-9872
Enumerated
May 17, 2007
Record updated
Mar 20, 2025
Authorized official
President And Ceo (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

20 clinicians CMS lists with John Muir Physician Network in Walnut Creek

  1. Lauren Ables, DOFamily Medicine Physician1710413299
  2. Andrea Agcaoili, DOFamily Medicine Physician1265775035
  3. Piyush Aggarwal, MDColon & Rectal Surgery Physician1700070273
  4. Taejoon Ahn, MDFamily Medicine Physician1639198757
  5. Russell Alpert, MDFamily Medicine Physician1235182544
  6. Sinan Alshahwany, MDInternal Medicine Physician1801997440
  7. Rohit Anand, MDGastroenterology Physician1902243025
  8. Audrey Arai, MDFamily Medicine Physician1043697451
  9. Cynthia AshbrookAllergy & Immunology Physician1386786408
  10. Ariel Badger, MDFamily Medicine Physician1285376608
  11. Tanaaz Baldawala, MDGastroenterology Physician1811075674
  12. Olawunmi Beckley, MDFamily Medicine Physician1497789499
  13. Devorah Ben-Zeev, MDInternal Medicine Physician1033160692
  14. Andrew Benn, MDInterventional Cardiology Physician1851329270
  15. Jessie Bernard, NPNurse Practitioner1437660321
  16. Karishma Bhardwaj, NP-CFamily Nurse Practitioner1083168439
  17. Joy Bloch, MDInternal Medicine Physician1740363167
  18. Andre Bonnett Alonso, MDFamily Medicine Physician1477803468
  19. Michael Brown, MDCardiovascular Disease Physician1093719056
  20. Ryan Brown, MDCardiovascular Disease Physician1467425439

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the California secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.