Matthew Justin Larsen, MD
Emergency Medicine Physician · Pittsburgh, PA
Matthew Justin Larsen, MD is an emergency medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1194916049, issued on Aug 6, 2007. Check the license (Pennsylvania MT188047, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Matthew Justin Larsen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MT188047 PA
Self-reported in NPPES; status is on the state search - Practice location
- 230 Mckee PL, Pittsburgh, PA 15213
- Phone
- (412) 647-8283
- Enumerated
- Aug 6, 2007
- Record last updated
- Aug 6, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091015000589); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 230 Mckee PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Clifton CallawaySpecialist1033181987
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- William Crim, M.D.Emergency Medicine Physician1427343573
Verify Matthew Justin Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT188047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average emergency medicine physician in 2024
88 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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): 78.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Lukes Clinic LLCTwin Falls, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Justin Larsen among 3,911 emergency medicine physician records in Pennsylvania
Matthew Justin Larsen, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1999 · median 2013 among the 2,231 with a school on file
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
424 emergency medicine physician records list a practice address in Pittsburgh
They are 424 of the 28,866 NPPES records with a practice address in Pittsburgh, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Pittsburgh → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Aaron Brown, M.D.Pittsburgh, PA 152131508056375
- Stacie Byers, DOPittsburgh, PA 152131982663225
- Christopher Cole, MDPittsburgh, PA 152131447294517
- Keith ConoverPittsburgh, PA 152131265413363
- Ankur Doshi, MDPittsburgh, PA 152131659371359
- Orooj Fasiuddin, MDPittsburgh, PA 152131467426072
- Christian Martin-Gill, M.D.Pittsburgh, PA 152131043412943
- Vincent Mosesso, MDPittsburgh, PA 152131326012089
Common questions
What is Matthew Justin Larsen, MD's NPI number?
Matthew Justin Larsen, MD's National Provider Identifier (NPI) is 1194916049, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Justin Larsen, MD located?
The NPPES record lists a practice address at 230 Mckee PL, Pittsburgh, PA, 15213. Phone: (412) 647-8283. Providers update this record themselves, so call before visiting.
How can I verify Matthew Justin Larsen, MD's license?
NPPES lists Pennsylvania license number MT188047, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Justin Larsen, MD prescribe under Medicare Part D?
In 2024, Matthew Justin Larsen, MD had 88 Medicare Part D claims for 68 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Matthew Justin Larsen, MD's MIPS final score?
The 2023 MIPS final score is 78.9 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.