Richard Larson, MD
Emergency Medicine Physician · Jamaica Plain, MA
Richard Larson, MD is an emergency medicine physician with a practice address in Jamaica Plain, Massachusetts, and NPI 1881748564, issued on Jan 22, 2007. Check the license (Massachusetts 50306, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Richard Larson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 50306 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1153 Centre St, Jamaica Plain, MA 02130
- Phone
- (617) 983-7132
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 6180396 MA
- Medicare enrollment
- Enrolled (PECOS I20050822000848); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1153 Centre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Barr, MDOrthopaedic Surgery Physician1770564916
- Gary Brockington, MDSpecialist1376538983
- William BromstedtClinical Social Worker1649786559
Verify Richard Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 50306Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average emergency medicine physician in 2024
135 Medicare Part D claims for 114 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin19 claims
- Amoxicillin12 claims
- Sulfamethoxazole-Trimethoprim12 claims
- Doxycycline Monohydrate11 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.
Bills Medicare through one group practice
- Emerson Practice Associates, IncConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Larson among 1,829 emergency medicine physician records in Massachusetts
Richard Larson, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 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 41% of them.
- NPI issued2007 · 41% of these records are older, 51% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2011 among the 1,200 with a school on file
- Record last updated2007 · 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 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Massachusetts
There are 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Jamaica Plain → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melani Cheers, MDJamaica Plain, MA 021301114227865
- Kimberly Dittler, M.D.Boston, MA 021301033136650
- Alexander Dogon, M.D.Boston, MA 021301790718278
- Jeff Hersh, M.D.Jamaica Plain, MA 021301700992658
- Joseph Kopp, M.D.Jamaica Plain, MA 021301134480031
- David Lewandowski, M.D.Jamaica Plain, MA 021301568859585
- Robert Petrella, M.D.Boston, MA 021301689619835
- Daniel Rosenberg, MDJamaica Plain, MA 021301962502542
Common questions
What is Richard Larson, MD's NPI number?
Richard Larson, MD's National Provider Identifier (NPI) is 1881748564, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Larson, MD located?
The NPPES record lists a practice address at 1153 Centre St, Jamaica Plain, MA, 02130. Phone: (617) 983-7132. Providers update this record themselves, so call before visiting.
How can I verify Richard Larson, MD's license?
NPPES lists Massachusetts license number 50306, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard Larson, MD prescribe under Medicare Part D?
In 2024, Richard Larson, MD had 135 Medicare Part D claims for 114 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.