NPPES file of Aug 9, 2026

Ethan J. Weiss, M.D.

Cardiovascular Disease Physician · San Francisco, CA

Ethan J. Weiss, M.D. is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1467482000, issued on Jul 3, 2006. Check the license (California A65930, 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
1467482000
Name
Ethan J. Weiss
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
A65930 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Parnassus Ave, San Francisco, CA 94117
Phone
(415) 476-5405
Enumerated
Jul 3, 2006
Record last updated
Sep 11, 2025
Fax
(415) 502-8627
Medicaid ID
00A659300 CA
Medicare enrollment
Enrolled (PECOS I20040218001190); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1996
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 350 Parnassus Ave

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

  1. Karen Bagatelos, M.S.N.,N.P.Nurse Practitioner1780881045
  2. Nathan Becker, M.D.Endocrinology, Diabetes & Metabolism Physician1972696250
  3. Eric Buxton, M.D.Endocrinology, Diabetes & Metabolism Physician1134210362
  4. Alan Chong, D.D.SGeneral Practice Dentistry1013265701
  5. Gregory Chong, D.D.S.General Practice Dentistry1023130747
  6. Thomas Cicciarelli, PSY.D.Clinical Psychologist1598871865

Verify Ethan J. Weiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65930
    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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80% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

613 Medicare Part D claims for 84 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Ethan Weiss613
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium102 claims
  2. Repatha Sureclick65 claims
  3. Amlodipine Besylate56 claims
  4. Metoprolol Succinate55 claims
  5. Eliquis52 claims
  6. Rosuvastatin Calcium42 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): 74.5 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  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. Regents OF The University OF CaliforniaSan Francisco, CA
  2. University OF California San FranciscoSan Francisco, CA

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

Ethan J. Weiss among 2,574 cardiovascular disease physician records in California

Ethan J. Weiss, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1996 · median 1999 among the 1,742 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Sergio Bello, MDSan Francisco, CA 941171407868367
  2. William Breall, M.D.San Francisco, CA 941171124042635
  3. James Chun, M.D.San Francisco, CA 941171134143506
  4. Peter Curran, MDSan Francisco, CA 941171366422347
  5. Gary Huang, M.D.San Francisco, CA 941171356633341
  6. Garrett Lee, MDSan Francisco, CA 941171760466981
  7. Albert Lee, M.D.San Francisco, CA 941171053335505
  8. Dana McGlothlin, M.D.San Francisco, CA 941171346285996

Common questions

What is Ethan J. Weiss, M.D.'s NPI number?

Ethan J. Weiss, M.D.'s National Provider Identifier (NPI) is 1467482000, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ethan J. Weiss, M.D. located?

The NPPES record lists a practice address at 350 Parnassus Ave, San Francisco, CA, 94117. Phone: (415) 476-5405. Providers update this record themselves, so call before visiting.

How can I verify Ethan J. Weiss, M.D.'s license?

NPPES lists California license number A65930, 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 Ethan J. Weiss, M.D. prescribe under Medicare Part D?

In 2024, Ethan J. Weiss, M.D. had 613 Medicare Part D claims for 84 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Ethan J. Weiss, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 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.