NPPES file of Aug 9, 2026

Lucas C. Rosiere, M.D.

Emergency Medicine Physician · Greenfield, MA

Lucas C. Rosiere, M.D. is an emergency medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1083870703, issued on Aug 1, 2008. Check the license (Massachusetts 251142, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1083870703
Name
Lucas C. Rosiere
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
251142 MA
036126327 IL
Self-reported in NPPES; status is on the state search
Practice location
164 High St, Greenfield, MA 01301
Phone
(413) 773-0211
Enumerated
Aug 1, 2008
Record last updated
Oct 29, 2024
Medicare enrollment
Enrolled (PECOS I20140814002687); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2008
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 164 High St

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

  1. Fatima Adeyemi, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1629909460
  2. Robert Ajello, MDPulmonary Disease Physician1518930916
  3. James Arcoleo, DOCardiovascular Disease Physician1407885676
  4. Justyna Arcoleo, FNP/DNPFamily Nurse Practitioner1316215312
  5. Kathryn Aubry-McAvoy, NPFamily Nurse Practitioner1912130642
  6. Jill Bascomb, MDEmergency Medicine Physician1720026685

Verify Lucas C. Rosiere in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 251142
    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 Massachusetts 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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3% fewer Medicare Part D claims than the average emergency medicine physician in 2024

220 Medicare Part D claims for 173 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Lucas Rosiere220
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt29 claims
  2. Hydrocodone-Acetaminophen26 claims
  3. Cephalexin18 claims
  4. Prednisone16 claims
  5. Amoxicillin-Clavulanate Potass15 claims
  6. Sucralfate11 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score82.6
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Central Dupage Emergency Physicians PCWinfield, IL
  2. Northwestern Medical Faculty FoundationChicago, IL

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

Lucas C. Rosiere among 1,829 emergency medicine physician records in Massachusetts

Lucas C. Rosiere, M.D. 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 2008, is newer than 49% of them.

  • NPI issued2008 · 49% of these records are older, 47% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2008 · median 2011 among the 1,200 with a school on file
  • Record last updated2024 · 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).

13 emergency medicine physician records list a practice address in Greenfield

They are 13 of the 1,251 NPPES records with a practice address in Greenfield, and 1,829 emergency medicine physician records in Massachusetts.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jill Bascomb, MDGreenfield, MA 013011720026685
  2. Kenneth Christian, MDGreenfield, MA 013011104142538
  3. Jeffrey Dan, M.D.Greenfield, MA 013011518935691
  4. Allison Demma, MD, MPHGreenfield, MA 013011790274025
  5. Jennifer DohrmannGreenfield, MA 013011033435516
  6. Michael Dunkerley, M.D.Greenfield, MA 013011164441531
  7. Sarah Emslie, MD/MPHGreenfield, MA 013011265137079
  8. Thomas Hagamen, MDGreenfield, MA 013011003985813

Common questions

What is Lucas C. Rosiere, M.D.'s NPI number?

Lucas C. Rosiere, M.D.'s National Provider Identifier (NPI) is 1083870703, issued on Aug 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lucas C. Rosiere, M.D. located?

The NPPES record lists a practice address at 164 High St, Greenfield, MA, 01301. Phone: (413) 773-0211. Providers update this record themselves, so call before visiting.

How can I verify Lucas C. Rosiere, M.D.'s license?

NPPES lists Massachusetts license number 251142, 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 Lucas C. Rosiere, M.D. prescribe under Medicare Part D?

In 2024, Lucas C. Rosiere, M.D. had 220 Medicare Part D claims for 173 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Lucas C. Rosiere, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. 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.