NPPES file of Aug 9, 2026

Matthew Tyge Murrill, MD PHD

Internal Medicine Physician · San Francisco, CA

Matthew Tyge Murrill, MD PHD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1093054892, issued on Feb 14, 2013. Check the license (California PTL2442, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093054892
Name
Matthew Tyge Murrill
Credential
MD PHD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
PTL2442 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave # M987, San Francisco, CA 94143
Phone
(415) 476-1000
Enumerated
Feb 14, 2013
Record last updated
Jan 13, 2022
Medicare enrollment
Enrolled (PECOS I20220912000933); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2019
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 505 Parnassus Ave # M987

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

  1. Rakesh Jotwani, M.D.Internal Medicine Physician1609001965
  2. Ryan Laponis, MDStudent in an Organized Health Care Education/Training Program1902131683

Verify Matthew Tyge Murrill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PTL2442
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

33 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Matthew Murrill33
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Francisco, CA

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

Matthew Tyge Murrill among 17,696 internal medicine physician records in California

Matthew Tyge Murrill, MD PHD 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
  • Graduated2019 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 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 Tyge Murrill, MD PHD's NPI number?

Matthew Tyge Murrill, MD PHD's National Provider Identifier (NPI) is 1093054892, issued on Feb 14, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Tyge Murrill, MD PHD located?

The NPPES record lists a practice address at 505 Parnassus Ave # M987, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Tyge Murrill, MD PHD's license?

NPPES lists California license number PTL2442, 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 Tyge Murrill, MD PHD prescribe under Medicare Part D?

In 2024, Matthew Tyge Murrill, MD PHD had 33 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.