NPPES file of Aug 9, 2026

Michael S. Blum, MD

Cardiovascular Disease Physician · San Francisco, CA

Michael S. Blum, MD is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1972568889, issued on Apr 20, 2006. Check the license (California G87207, 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
1972568889
Name
Michael S. Blum
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G87207 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 353-2873
Enumerated
Apr 20, 2006
Record last updated
Sep 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 353-2528
Medicaid ID
00G872070 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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. Nathan Bass, MDInternal Medicine Physician1689638959
  2. Dwight Bissell, MDInternal Medicine Physician1831141241
  3. Jennifer Cademartori, NPFamily Nurse Practitioner1770504300
  4. Hubert Chen, M.D.Pulmonary Disease Physician1215042957
  5. Linda Clever, MDOccupational Medicine Physician1871558932
  6. Michael Crawford, MDCardiovascular Disease Physician1780632190

Verify Michael S. Blum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G87207
    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

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98% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

68 Medicare Part D claims for 27 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Michael Blum68
  2. Specialty average3,078

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).

Michael S. Blum among 2,574 cardiovascular disease physician records in California

Michael S. Blum, MD 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 fileNo · 68% of these records are
  • Record last updated2008 · 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. Theodore Abraham, M.D.San Francisco, CA 941431467427096
  2. Maria Abraham, M.D.San Francisco, CA 941431669436960
  3. Phoebe Ashley, M.D.San Francisco, CA 941431740288901
  4. Elias Botvinick, MDSan Francisco, CA 941431760440465
  5. Tony Chou, M.D.San Francisco, CA 941431457389009
  6. Michael Crawford, MDSan Francisco, CA 941431780632190
  7. Elyse Foster, MDSan Francisco, CA 941431760431837
  8. Gordon Fung, MDSan Francisco, CA 941431215994827

Common questions

What is Michael S. Blum, MD's NPI number?

Michael S. Blum, MD's National Provider Identifier (NPI) is 1972568889, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Blum, MD located?

The NPPES record lists a practice address at 350 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2873. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Blum, MD's license?

NPPES lists California license number G87207, 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 Michael S. Blum, MD prescribe under Medicare Part D?

In 2024, Michael S. Blum, MD had 68 Medicare Part D claims for 27 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Michael S. Blum, MD'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.