Doctor profile · Federal record

Dr. Allison Demma, MD, MPH

Emergency Medicine Physician (CMS: Emergency Medicine) · Greenfield, MA

  • NPI 1790274025
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
164 High St
Greenfield, MA 013012613
(413) 773-2263
fax (413) 773-2127
Additional location
55 Fogg RD
Weymouth, MA 021902432
(781) 624-8000
Mailing address
759 Chestnut St
Springfield, MA 011991619

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
April 13, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #287106

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790274025. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
319
Distinct HCPCS
6
Medicare allowed
$49,189
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 153 153 $178
99284 Emergency department visit with moderate level of medical decision making 88 87 $122
99291 Critical care, first 30-74 minutes 28 28 $220
99214 Established patient office or other outpatient visit, 30-39 minutes 25 25 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 13 13 $92
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 12 12 $50

In context: peer comparison

Among 5 peers in Greenfield Emergency Medicine Physician, average services per provider: 97. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
25
Total drug cost
$500
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 14 14 $471
Prednisone Generic 11 11 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Demma's medical specialty?
Dr. Allison Demma practices Emergency Medicine Physician in Greenfield, MA.
Where does Dr. Allison Demma practice?
Dr. Allison Demma practices at 164 High St, Greenfield, MA 013012613. Office phone: 4137732263.
What is Dr. Allison Demma's NPI?
Dr. Allison Demma's National Provider Identifier (NPI) is 1790274025, issued by NPPES.
Does Dr. Allison Demma accept Medicare assignment?
Yes. Dr. Allison Demma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Demma commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.