Allison Earon Demma, MD, MPH
Emergency Medicine Physician · Greenfield, MA
Allison Earon Demma, MD, MPH is an emergency medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1790274025, issued on May 2, 2018. Check the license (Massachusetts 287106, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Allison Earon Demma
- Credential
- MD, MPH
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 287106 MA
Self-reported in NPPES; status is on the state search - Practice location
- 164 High St, Greenfield, MA 01301
- Phone
- (413) 773-2263
- Enumerated
- May 2, 2018
- Record last updated
- Apr 13, 2023
- Fax
- (413) 773-2127
- Medicare enrollment
- Enrolled (PECOS I20210823002470); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 164 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatima Adeyemi, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1629909460
- Robert Ajello, MDPulmonary Disease Physician1518930916
- James Arcoleo, DOCardiovascular Disease Physician1407885676
- Justyna Arcoleo, FNP/DNPFamily Nurse Practitioner1316215312
- Kathryn Aubry-McAvoy, NPFamily Nurse Practitioner1912130642
- Jill Bascomb, MDEmergency Medicine Physician1720026685
Verify Allison Earon Demma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
199 Medicare Part D claims for 155 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil34 claims
- Prednisone31 claims
- Albuterol Sulfate Hfa11 claims
- Amoxicillin-Clavulanate Potass11 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 3 group practices
- Cape Cod Emergency Associates LLPHyannis, MA
- Coastal Medical AssociatesWeymouth, MA
- South Shore Health Express IncPembroke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Earon Demma among 1,829 emergency medicine physician records in Massachusetts
Allison Earon Demma, MD, MPH 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 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2011 among the 1,200 with a school on file
- Record last updated2023 · 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.
All 1,829 in Massachusetts → Every provider in Greenfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jill Bascomb, MDGreenfield, MA 013011720026685
- Kenneth Christian, MDGreenfield, MA 013011104142538
- Jeffrey Dan, M.D.Greenfield, MA 013011518935691
- Jennifer DohrmannGreenfield, MA 013011033435516
- Michael Dunkerley, M.D.Greenfield, MA 013011164441531
- Sarah Emslie, MD/MPHGreenfield, MA 013011265137079
- Thomas Hagamen, MDGreenfield, MA 013011003985813
- Cynthia Lodding, MDGreenfield, MA 013011346456688
Common questions
What is Allison Earon Demma, MD, MPH's NPI number?
Allison Earon Demma, MD, MPH's National Provider Identifier (NPI) is 1790274025, issued on May 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Allison Earon Demma, MD, MPH located?
The NPPES record lists a practice address at 164 High St, Greenfield, MA, 01301. Phone: (413) 773-2263. Providers update this record themselves, so call before visiting.
How can I verify Allison Earon Demma, MD, MPH's license?
NPPES lists Massachusetts license number 287106, 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 Allison Earon Demma, MD, MPH prescribe under Medicare Part D?
In 2024, Allison Earon Demma, MD, MPH had 199 Medicare Part D claims for 155 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.