Rodney J. Larsen, M.D.
Specialist · Agawam, MA
Rodney J. Larsen, M.D. is a specialist with a practice address in Agawam, Massachusetts, and NPI 1518042571, issued on Oct 26, 2006. Check the license (Massachusetts 38727, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rodney J. Larsen
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 38727 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 S End Bridge Cir, Agawam, MA 01001
- Phone
- (413) 786-9636
- Enumerated
- Oct 26, 2006
- Record last updated
- Jun 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (413) 789-6818
- Medicaid ID
- 2058146 MA
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
Also registered at 1 S End Bridge Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rodney J. Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 38727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average specialist in 2024
128 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Mirtazapine21 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.
Rodney J. Larsen among 1,096 specialist records in Massachusetts
Rodney J. Larsen, M.D. is one of 1,096 specialist records with a practice address in Massachusetts. 15% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 69% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2008 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 specialist records list a practice address in Agawam
They are 4 of the 233 NPPES records with a practice address in Agawam, and 1,096 specialist records in Massachusetts.
All 1,096 in Massachusetts → Every provider in Agawam → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Sarah Nacewicz, IBCLCAgawam, MA 010011144520909
- Joy Poggi, L.M.T.Agawam, MA 010011568519783
- C. Richard Seiler, M.D.Agawam, MA 010011285719336
- Katherine Bohne, IBCLCAmherst, MA 010021487978979
- Lenore Bryck, LMT,CSYTAmherst, MA 010021114044922
- Heather Gagne, ATCAmherst, MA 010031740722495
- Robert Kuzmeski, ATCAmherst, MA 010031518124577
- David MaclutskyAmherst, MA 010031073055778
Common questions
What is Rodney J. Larsen, M.D.'s NPI number?
Rodney J. Larsen, M.D.'s National Provider Identifier (NPI) is 1518042571, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rodney J. Larsen, M.D. located?
The NPPES record lists a practice address at 1 S End Bridge Cir, Agawam, MA, 01001. Phone: (413) 786-9636. Providers update this record themselves, so call before visiting.
How can I verify Rodney J. Larsen, M.D.'s license?
NPPES lists Massachusetts license number 38727, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Rodney J. Larsen, M.D. prescribe under Medicare Part D?
In 2024, Rodney J. Larsen, M.D. had 128 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.