Ronald Marc Witteles, MD
Advanced Heart Failure and Transplant Cardiology Physician · Stanford, CA
Ronald Marc Witteles, MD is an advanced heart failure and transplant cardiology physician with a practice address in Stanford, California, and NPI 1285779389, issued on Feb 20, 2007. Check the license (California A76510, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Marc Witteles
- Credential
- MD
- Primary taxonomy
- Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
- License number
- A76510 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Feb 20, 2007
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20070523000625); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Ronald Marc Witteles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024
3,519 Medicare Part D claims for 326 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D.
Most prescribed
- Vyndamax621 claims
- Jardiance339 claims
- Spironolactone313 claims
- Eliquis250 claims
- Carvedilol249 claims
- Furosemide249 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): 76.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $51,655.91
30 payments; by number, the most common kind was travel and lodging; the largest payer was Pfizer Inc. 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.
One hospital affiliation
- Stanford Health CareSan Jose, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Advanced Heart Failure and Transplant Cardiology Physician providers in California
There are 115 advanced heart failure and transplant cardiology physician records in California.
Other advanced heart failure and transplant cardiology physician records in California
- Dmitry Abramov, M.D.Loma Linda, CA1649439670
- Eric Adler, M.DSan Diego, CA1477699601
- Tishangi Agrawal, MDSouth Pasadena, CA1396003257
- Kevin Alexander, MDStanford, CA1487953865
- Mandar ArasSan Francisco, CA1720377146
- Babak Azarbal, MDLos Angeles, CA1669402863
- Denise Barnard, M.D.San Diego, CA1669497731
- Leila BeachSan Francisco, CA1861811044
- Andrea Boettcher, NPSan Diego, CA1073161329
- Claudio Bravo Carrillo, M.D.San Francisco, CA1003254186
Common questions
What is Ronald Marc Witteles, MD's NPI number?
Ronald Marc Witteles, MD's National Provider Identifier (NPI) is 1285779389, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Marc Witteles, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Ronald Marc Witteles, MD's license?
NPPES lists California license number A76510, 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 Ronald Marc Witteles, MD prescribe under Medicare Part D?
In 2024, Ronald Marc Witteles, MD had 3,519 Medicare Part D claims for 326 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.
What is Ronald Marc Witteles, MD's MIPS final score?
The 2023 MIPS final score is 76.5 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.