NPPES file of Aug 9, 2026

Vineetha Rangarajan, DO

Nephrology Physician · Castro Valley, CA

Vineetha Rangarajan, DO is a nephrology physician with a practice address in Castro Valley, California, and NPI 1295363752, issued on Mar 31, 2020. Check the license (California 20A23909, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295363752
Name
Vineetha Rangarajan
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
License number
20A23909 CA
Self-reported in NPPES; status is on the state search
Practice location
19850 Lake Chabot RD, Castro Valley, CA 94546
Phone
(501) 881-1490
Enumerated
Mar 31, 2020
Record last updated
Dec 17, 2025
Medicare enrollment
Enrolled (PECOS I20250718003744); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2020
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 19850 Lake Chabot RD

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

  1. Gene-Yuan Chang, MDNephrology Physician1467731828
  2. Joann Dumas, FNPRegistered Nurse1902987126
  3. Isaac Ibrahimi, PA-CPhysician Assistant1588735849
  4. Kathryn Welty, MDNephrology Physician1740476761

Verify Vineetha Rangarajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A23909
    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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83% fewer Medicare Part D claims than the average nephrology physician in 2024

245 Medicare Part D claims for 57 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Vineetha Rangarajan245
  2. Specialty average1,465

Most prescribed

  1. Chlorthalidone20 claims
  2. Farxiga17 claims
  3. Lisinopril16 claims
  4. Amlodipine Besylate14 claims
  5. Atovaquone14 claims
  6. Losartan Potassium14 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.3
  2. Costout of 100 · 30%51.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Mayo Clinic JacksonvilleJacksonville, FL
  2. West Coast KidneyCastro Valley, CA

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

Vineetha Rangarajan among 1,468 nephrology physician records in California

Vineetha Rangarajan, DO 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 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2020 · median 2001 among the 1,128 with a school on file
  • Record last updated2025 · 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. Archana Aggarwal, M.D.Castro Valley 94546, CA 945461326024084
  2. Gene-Yuan Chang, MDCastro Valley, CA 945461467731828
  3. Rahul Rishi, M.D.Castro Valley, CA 945461740243930
  4. Kathryn Welty, MDCastro Valley, CA 945461740476761
  5. Mario Bernaba, MDHayward, CA 945451205499506
  6. Neelam Bhalla, M.D.Hayward, CA 945451639118052
  7. Sarasa Kimata, M.D.Hayward, CA 945451477631232
  8. George Lai, M.D.Hayward, CA 945451043398803

Common questions

What is Vineetha Rangarajan, DO's NPI number?

Vineetha Rangarajan, DO's National Provider Identifier (NPI) is 1295363752, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Vineetha Rangarajan, DO located?

The NPPES record lists a practice address at 19850 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (501) 881-1490. Providers update this record themselves, so call before visiting.

How can I verify Vineetha Rangarajan, DO's license?

NPPES lists California license number 20A23909, 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 Vineetha Rangarajan, DO prescribe under Medicare Part D?

In 2024, Vineetha Rangarajan, DO had 245 Medicare Part D claims for 57 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Vineetha Rangarajan, DO's MIPS final score?

The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.