Rahul Rishi, M.D.
Nephrology Physician · Castro Valley, CA
Rahul Rishi, M.D. is a nephrology physician with a practice address in Castro Valley, California, and NPI 1740243930, issued on Apr 9, 2006. Check the license (California A93374, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rahul Rishi
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A93374 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20055 Lake Chabot RD Ste 230, Castro Valley, CA 94546
- Phone
- (510) 881-1490
- Enumerated
- Apr 9, 2006
- Record last updated
- Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060802000586); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Verify Rahul Rishi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average nephrology physician in 2024
1,720 Medicare Part D claims for 228 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Calcitriol208 claims
- Farxiga156 claims
- Losartan Potassium132 claims
- Amlodipine Besylate125 claims
- Sevelamer Carbonate114 claims
- Lokelma96 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: $304.86
13 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, 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.
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
- West Coast KidneyDanville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rahul Rishi among 1,468 nephrology physician records in California
Rahul Rishi, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2000 · median 2001 among the 1,128 with a school on file
- Record last updated2007 · 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.
All 1,468 in California → Every provider in Castro Valley → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Archana Aggarwal, M.D.Castro Valley 94546, CA 945461326024084
- Gene-Yuan Chang, MDCastro Valley, CA 945461467731828
- Vineetha Rangarajan, DOCastro Valley, CA 945461295363752
- Kathryn Welty, MDCastro Valley, CA 945461740476761
- Mario Bernaba, MDHayward, CA 945451205499506
- Neelam Bhalla, M.D.Hayward, CA 945451639118052
- Sarasa Kimata, M.D.Hayward, CA 945451477631232
- George Lai, M.D.Hayward, CA 945451043398803
Common questions
What is Rahul Rishi, M.D.'s NPI number?
Rahul Rishi, M.D.'s National Provider Identifier (NPI) is 1740243930, issued on Apr 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rahul Rishi, M.D. located?
The NPPES record lists a practice address at 20055 Lake Chabot RD Ste 230, Castro Valley, CA, 94546. Phone: (510) 881-1490. Providers update this record themselves, so call before visiting.
How can I verify Rahul Rishi, M.D.'s license?
NPPES lists California license number A93374, 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 Rahul Rishi, M.D. prescribe under Medicare Part D?
In 2024, Rahul Rishi, M.D. had 1,720 Medicare Part D claims for 228 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.