Zachary C. Demma, MD
Emergency Medicine Physician · Palmer, MA
Zachary C. Demma, MD is an emergency medicine physician with a practice address in Palmer, Massachusetts, and NPI 1093247918, issued on Mar 30, 2017. Check the license (Massachusetts 282502, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zachary C. Demma
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 282502 MA
Self-reported in NPPES; status is on the state search - Practice location
- 40 Wright St, Palmer, MA 01069
- Phone
- (413) 284-5308
- Enumerated
- Mar 30, 2017
- Record last updated
- Oct 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (413) 284-5413
- Medicaid ID
- 110124826A MA
- Medicare enrollment
- Enrolled (PECOS I20200522002432); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 40 Wright St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary C. 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 282502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average emergency medicine physician in 2024
190 Medicare Part D claims for 140 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil25 claims
- Baclofen23 claims
- Amoxicillin-Clavulanate Potass20 claims
- Cephalexin20 claims
- Prednisone15 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 2 group practices
- Cape Cod Emergency Associates LLPHyannis, MA
- Coastal Medical AssociatesWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary C. Demma among 1,829 emergency medicine physician records in Massachusetts
Zachary C. Demma, 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 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2011 among the 1,200 with a school on file
- Record last updated2021 · 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).
18 emergency medicine physician records list a practice address in Palmer
They are 18 of the 246 NPPES records with a practice address in Palmer, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Palmer → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Glen Bouchard, D.O.Palmer, MA 010691790751667
- Dana CeronePalmer, MA 010691407057029
- Ahmed Elmogy, M.D.Palmer, MA 010691568478147
- Nicholas Fay, M.D.Palmer, MA 010691639188808
- Marame Gattan, MDPalmer, MA 010691407103682
- Paul Gerstein, M.D.Palmer, MA 010691306850664
- Frederick Harwick, DOPalmer, MA 010691366459109
- Brian Hession, M.D.Palmer, MA 010691093755522
Common questions
What is Zachary C. Demma, MD's NPI number?
Zachary C. Demma, MD's National Provider Identifier (NPI) is 1093247918, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Zachary C. Demma, MD located?
The NPPES record lists a practice address at 40 Wright St, Palmer, MA, 01069. Phone: (413) 284-5308. Providers update this record themselves, so call before visiting.
How can I verify Zachary C. Demma, MD's license?
NPPES lists Massachusetts license number 282502, 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 Zachary C. Demma, MD prescribe under Medicare Part D?
In 2024, Zachary C. Demma, MD had 190 Medicare Part D claims for 140 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.