Doctor profile · Federal record

Dr. Andrew Griscom, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Pawtucket, RI

  • NPI 1538142328
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 37 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Brewster St, Department of Emergency Medicine
Pawtucket, RI 028604400
(401) 729-2191
fax (401) 729-2517

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
May 15, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Connecticut #34668 · Rhode Island #MD09664
Medicaid
RI #7006158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538142328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
3
Medicare allowed
$26,104
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 103 100 $180
99284 Emergency department visit with moderate level of medical decision making 59 58 $123
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 44 43 $8

In context: peer comparison

Among 7 peers in Pawtucket Emergency Medicine Physician, average services per provider: 77. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
156
Patients
150
Total drug cost
$785
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 43 41 $139
Cephalexin Generic 31 31 $294
Prednisone Generic 28 25 $50
Ondansetron Odt (Ondansetron) Brand 26 25 $153
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 17 17 $97
Azithromycin Generic 11 11 $52

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Griscom's medical specialty?
Dr. Andrew Griscom practices Emergency Medicine Physician in Pawtucket, RI.
Where does Dr. Andrew Griscom practice?
Dr. Andrew Griscom practices at 111 Brewster St, Pawtucket, RI 028604400. Office phone: 4017292191.
What is Dr. Andrew Griscom's NPI?
Dr. Andrew Griscom's National Provider Identifier (NPI) is 1538142328, issued by NPPES.
Does Dr. Andrew Griscom accept Medicare assignment?
Yes. Dr. Andrew Griscom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Griscom 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.