NPPES file of Aug 9, 2026

Steven T. Harris, M.D.

Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA

Steven T. Harris, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1104847532, issued on Jul 21, 2006. Check the license (California G30282, 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
1104847532
Name
Steven T. Harris
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
G30282 CA
Self-reported in NPPES; status is on the state search
Practice location
1635 Divisadero St, San Francisco, CA 94115
Phone
(415) 682-0914
Enumerated
Jul 21, 2006
Record last updated
Dec 15, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(415) 451-2167
Medicaid ID
00G302820 CA
Medicare enrollment
Enrolled (PECOS I20040105000876); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1974
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 1635 Divisadero St

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

  1. Alexander Abad, M.P.T.Physical Therapist1790848505
  2. Jeff Azus, ODOptometrist1396810446
  3. Renee Ballinger, PTPhysical Therapist1447398094
  4. Molly Bouffard, CCC-SLPSpeech-Language Pathologist1588588057
  5. Matthew Chan, PTPhysical Therapist1821296807
  6. Richard Chan, O.D.Optometrist1922144625

Verify Steven T. Harris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G30282
    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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88% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

313 Medicare Part D claims for 93 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Steven Harris313
  2. Specialty average2,630

Most prescribed

  1. Alendronate Sodium208 claims
  2. Raloxifene Hcl40 claims
  3. Teriparatide16 claims
  4. Synthroid14 claims
  5. Levothyroxine Sodium11 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).

Industry payments in 2024: $69,346.14

89 payments; by number, the most common kind was travel and lodging; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Harris$69,346
  2. Specialty average$5,742

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ucsf Medical Group Business ServicesSan 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).

Steven T. Harris among 1,131 endocrinology, diabetes & metabolism physician records in California

Steven T. Harris, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1974 · median 2003 among the 779 with a school on file
  • Record last updated2010 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Kanter, MDSan Francisco, CA 941151346328945
  2. Allan Pont, M.D.San Francisco, CA 941151508879073
  3. Clinton Young, M.D.San Francisco, CA 941151225140296
  4. Nathan Becker, M.D.San Francisco, CA 941171972696250
  5. Eric Buxton, M.D.San Francisco, CA 941171134210362
  6. Paul Fitzgerald, M.D.San Francisco, CA 941171326356460
  7. H. Michenfelder, M.D.San Francisco, CA 941171710076534
  8. E. Myers, M.D.San Francisco, CA 941171992894711

Common questions

What is Steven T. Harris, M.D.'s NPI number?

Steven T. Harris, M.D.'s National Provider Identifier (NPI) is 1104847532, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven T. Harris, M.D. located?

The NPPES record lists a practice address at 1635 Divisadero St, San Francisco, CA, 94115. Phone: (415) 682-0914. Providers update this record themselves, so call before visiting.

How can I verify Steven T. Harris, M.D.'s license?

NPPES lists California license number G30282, 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 Steven T. Harris, M.D. prescribe under Medicare Part D?

In 2024, Steven T. Harris, M.D. had 313 Medicare Part D claims for 93 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Steven T. Harris, 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.