Doctor profile · Federal record

Dr. Margaret Sun, MD

Family Medicine Physician (CMS: Family Practice) · East Providence, RI

  • NPI 1174508584
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1445 Wampanoag Trail, Unite 205
East Providence, RI 02915
(401) 434-0770
fax (401) 633-6094

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 1, 2010
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Rhode Island #RI8624
Medicaid
RI #7004039

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174508584. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
2
Medicare allowed
$6,208
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 22 13 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 21 12 $104

In context: peer comparison

Among 5 peers in East Providence Family Medicine Physician, average services per provider: 60. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,012
Patients
242
Total drug cost
$15,999
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 142 39 $3,029
Levothyroxine Sodium Generic 120 25 $2,315
Lisinopril Generic 119 32 $1,616
Hydrochlorothiazide Generic 72 20 $269
Omeprazole Generic 72 22 $1,577
Metformin Hcl Generic 70 16 $865
Furosemide Generic 66 21 $713
Simvastatin Generic 58 15 $990
Losartan Potassium Generic 48 16 $719
Atenolol Generic 46 0 $484

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Sun's medical specialty?
Dr. Margaret Sun practices Family Medicine Physician in East Providence, RI.
Where does Dr. Margaret Sun practice?
Dr. Margaret Sun practices at 1445 Wampanoag Trail, East Providence, RI 02915. Office phone: 4014340770.
What is Dr. Margaret Sun's NPI?
Dr. Margaret Sun's National Provider Identifier (NPI) is 1174508584, issued by NPPES.
Does Dr. Margaret Sun accept Medicare assignment?
Yes. Dr. Margaret Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.