NPPES file of Aug 9, 2026

Subathra Murugaiah, M.D

Family Medicine Physician · Walnut Creek, CA

Subathra Murugaiah, M.D is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1134418916, issued on Apr 1, 2011. Check the license (California A128269, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134418916
Name
Subathra Murugaiah
Credential
M.D
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A128269 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 S Main St, Walnut Creek, CA 94596
Phone
(925) 295-4000
Enumerated
Apr 1, 2011
Record last updated
Feb 21, 2024
Fax
(510) 535-4189
Medicare enrollment
Enrolled (PECOS I20190220000674); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1425 S Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric AaserudeEmergency Medicine Physician1811491194
  2. Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
  3. Peter Ackerman, MDEmergency Medicine Physician1427435023
  4. Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
  5. Basil Adad, MDOtolaryngology Physician1487732574
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804

Verify Subathra Murugaiah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128269    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average family medicine physician in 2024

416 Medicare Part D claims for 234 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 21 claims were for opioids.

  1. Subathra Murugaiah416
  2. Specialty average3,544

Most prescribed

  1. Lisinopril20 claims
  2. Albuterol Sulfate Hfa15 claims
  3. Baclofen14 claims
  4. Amlodipine Besylate13 claims
  5. Atorvastatin Calcium13 claims
  6. Prednisone13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Permanente Medical Group IncWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Subathra Murugaiah among 17,133 family medicine physician records in California

Subathra Murugaiah, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.

  • NPI issued2011 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2005 · median 2005 among the 10,652 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

116 family medicine physician records list a practice address in Walnut Creek

They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Walnut Creek → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Sujay Banerjee, MDWalnut Creek, CA 945961174601249
  2. Sophie Barnes, NP-CWalnut Creek, CA 945961558729145
  3. Trevor Brodsky-Brooks, M.D.Walnut Creek, CA 945961407389331
  4. Ching Chang, MDWalnut Creek, CA 945961174545909
  5. Mee-Jin Chong, M.D.Walnut Creek, CA 945961407994072
  6. Aurelia Gincauskas, MDWalnut Creek, CA 945961386722486
  7. Suzanne Gokel, D.O.Walnut Creek, CA 945961275606758
  8. Derek Jue, M.D.Walnut Creek, CA 945961679592976

Common questions

What is Subathra Murugaiah, M.D's NPI number?

Subathra Murugaiah, M.D's National Provider Identifier (NPI) is 1134418916, issued on Apr 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Subathra Murugaiah, M.D located?

The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.

How can I verify Subathra Murugaiah, M.D's license?

NPPES lists California license number A128269, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Subathra Murugaiah, M.D prescribe under Medicare Part D?

In 2024, Subathra Murugaiah, M.D had 416 Medicare Part D claims for 234 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.