NPPES file of Aug 9, 2026

Matthew Alexander Spinelli, M.D.

Internal Medicine Physician · San Francisco, CA

Matthew Alexander Spinelli, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1386986263, issued on Mar 19, 2013. Check the license (California A134550, 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
1386986263
Name
Matthew Alexander Spinelli
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A134550 CA
Self-reported in NPPES; status is on the state search
Practice location
2540 23RD St, San Francisco, CA 94143
Phone
(415) 206-8000
Enumerated
Mar 19, 2013
Record last updated
Apr 28, 2026
Medicare enrollment
Enrolled (PECOS I20180525001285); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2013
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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Verify Matthew Alexander Spinelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A134550
    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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77% fewer Medicare Part D claims than the average internal medicine physician in 2024

745 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Matthew Spinelli745
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium43 claims
  2. Tivicay32 claims
  3. Descovy31 claims
  4. Rosuvastatin Calcium29 claims
  5. Symtuza28 claims
  6. Trazodone Hcl27 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): 91.9 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. Qualityout of 100 · 30% of the final score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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 one group practice

  1. University OF California Sfgh Medical GroupSan Francisco, CA

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

Matthew Alexander Spinelli among 17,696 internal medicine physician records in California

Matthew Alexander Spinelli, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.

  • NPI issued2013 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nathan Bass, MDSan Francisco, CA 941431689638959
  2. Margaret Fang, MDSan Francisco, CA 941431417911462
  3. Katherine Julian, MDSan Francisco, CA 941431003879826
  4. John Kane, MDSan Francisco, CA 941431467416461
  5. Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
  6. Bernard Lo, MDSan Francisco, CA 941431184688137
  7. Stephen McPhee, MDSan Francisco, CA 941431124082490
  8. Andrew Posselt, MDSan Francisco, CA 941431235193616

Common questions

What is Matthew Alexander Spinelli, M.D.'s NPI number?

Matthew Alexander Spinelli, M.D.'s National Provider Identifier (NPI) is 1386986263, issued on Mar 19, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Alexander Spinelli, M.D. located?

The NPPES record lists a practice address at 2540 23RD St, San Francisco, CA, 94143. Phone: (415) 206-8000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Alexander Spinelli, M.D.'s license?

NPPES lists California license number A134550, 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 Matthew Alexander Spinelli, M.D. prescribe under Medicare Part D?

In 2024, Matthew Alexander Spinelli, M.D. had 745 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Matthew Alexander Spinelli, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 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.