Ranjan Ray, MD PHD
Advanced Heart Failure and Transplant Cardiology Physician · San Francisco, CA
Ranjan Ray, MD PHD is an advanced heart failure and transplant cardiology physician with a practice address in San Francisco, California, and NPI 1033376017, issued on May 19, 2008. Check the license (California A108532, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ranjan Ray
- Credential
- MD PHD
- Primary taxonomy
- Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
- License numbers
- A108532 CA
228223 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Van Ness Ave FL 3, San Francisco, CA 94109
- Phone
- (415) 600-5780
- Enumerated
- May 19, 2008
- Record last updated
- May 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130418000404); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest advanced heart failure and transplant cardiology physician records → All 115 in California → Look up another NPI →
Also registered at 1100 Van Ness Ave FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rushin Brahmbhatt, MDTransplant Surgery Physician1982835344
- Christina Chou, MDGastroenterology Physician1164749628
- Julia Gellert, PA-CPhysician Assistant1013293976
- Jared Herr, MDAdvanced Heart Failure and Transplant Cardiology Physician1184959272
- Beth KaoFamily Nurse Practitioner1255294203
- Sara Mozaffarian, NURSE PRACTITIONERFamily Nurse Practitioner1033515804
Verify Ranjan Ray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A108532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024
1,697 Medicare Part D claims for 222 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Losartan Potassium128 claims
- Atorvastatin Calcium121 claims
- Amlodipine Besylate110 claims
- Eliquis96 claims
- Carvedilol82 claims
- Furosemide73 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: $479.05
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,027 providers of this specialty with any payment received $10,265.85 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
- 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).
Ranjan Ray among 115 advanced heart failure and transplant cardiology physician records in California
Ranjan Ray, MD PHD is one of 115 advanced heart failure and transplant cardiology physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 95% of these records are
- Graduated2006 · median 2007 among the 109 with a school on file
- Record last updated2020 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Heart Failure and Transplant Cardiology Physician providers in California
There are 115 advanced heart failure and transplant cardiology physician records in California.
All 115 in California → Every provider in San Francisco → Advanced Heart Failure and Transplant Cardiology Physician nationwide →
The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes
- Jared Herr, MDSan Francisco, CA 941091184959272
- Michael Pham, M.D.San Francisco, CA 941091194735019
- Yu Xie, M.D.San Francisco, CA 941091295044808
- Mandar ArasSan Francisco, CA 941431720377146
- Leila BeachSan Francisco, CA 941431861811044
- Claudio Bravo Carrillo, M.D.San Francisco, CA 941431003254186
- Teresa De Marco, MDSan Francisco, CA 941431669420956
- Sonia Garg, M.D.San Francisco, CA 941431386873370
Common questions
What is Ranjan Ray, MD PHD's NPI number?
Ranjan Ray, MD PHD's National Provider Identifier (NPI) is 1033376017, issued on May 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ranjan Ray, MD PHD located?
The NPPES record lists a practice address at 1100 Van Ness Ave FL 3, San Francisco, CA, 94109. Phone: (415) 600-5780. Providers update this record themselves, so call before visiting.
How can I verify Ranjan Ray, MD PHD's license?
NPPES lists California license number A108532, 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 Ranjan Ray, MD PHD prescribe under Medicare Part D?
In 2024, Ranjan Ray, MD PHD had 1,697 Medicare Part D claims for 222 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. 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.