NPPES file of Aug 9, 2026

Subramanian Sivarajan, M.D.

Nephrology Physician · Palo Alto, CA

Subramanian Sivarajan, M.D. is a nephrology physician with a practice address in Palo Alto, California, and NPI 1154310951, issued on Oct 14, 2005. Check the license (California C53314, 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
1154310951
Name
Subramanian Sivarajan
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
C53314 CA
103776 MO
Self-reported in NPPES; status is on the state search
Practice location
795 EL Camino Real FL 2, Palo Alto, CA 94301
Phone
(650) 328-8385
Enumerated
Oct 14, 2005
Record last updated
Apr 23, 2024
Medicaid IDs
206687709 MO
100150360B KS
Medicare enrollment
Enrolled (PECOS I20170126001150); 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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Also registered at 795 EL Camino Real FL 2

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

  1. Roozbeh Mohajer, MDHematology & Oncology Physician1457538449

Verify Subramanian Sivarajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C53314
    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

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7% fewer Medicare Part D claims than the average nephrology physician in 2024

1,362 Medicare Part D claims for 272 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Subramanian Sivarajan1,362
  2. Specialty average1,465

Most prescribed

  1. Calcitriol229 claims
  2. Losartan Potassium222 claims
  3. Furosemide122 claims
  4. Farxiga96 claims
  5. Amlodipine Besylate76 claims
  6. Jardiance70 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.

Industry payments in 2024: $821.90

20 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Subramanian Sivarajan$821.90
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationPalo Alto, CA

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

Subramanian Sivarajan among 1,468 nephrology physician records in California

Subramanian Sivarajan, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1976 · median 2001 among the 1,128 with a school on file
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Luis Alvarez, MDPalo Alto, CA 943011487685368
  2. Marimar Contreras Nieves, MDPalo Alto, CA 943011245767144
  3. Toby Gottheiner, MDPalo Alto, CA 943011255362539
  4. Graham Rodwell, MDPalo Alto, CA 943011922077890
  5. Kaleb Thomas, MDPalo Alto, CA 943011184280851
  6. Nidharshan AnandasivamPalo Alto, CA 943041255995239
  7. Andrew Koren, M.D.Palo Alto, CA 943041972676872
  8. Yiming Lit, M.D.Palo Alto, CA 943041366544082

Common questions

What is Subramanian Sivarajan, M.D.'s NPI number?

Subramanian Sivarajan, M.D.'s National Provider Identifier (NPI) is 1154310951, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Subramanian Sivarajan, M.D. located?

The NPPES record lists a practice address at 795 EL Camino Real FL 2, Palo Alto, CA, 94301. Phone: (650) 328-8385. Providers update this record themselves, so call before visiting.

How can I verify Subramanian Sivarajan, M.D.'s license?

NPPES lists California license number C53314, 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 Subramanian Sivarajan, M.D. prescribe under Medicare Part D?

In 2024, Subramanian Sivarajan, M.D. had 1,362 Medicare Part D claims for 272 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.

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.