Doctor profile · Federal record

Dr. Margaret Wallace, NP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Acute Care Nurse Practitioner · Westerly, RI

  • NPI 1356885347
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 Wells St
Westerly, RI 028912922
(401) 596-6000

Credentials & registration

NPPES · NUCC
NPI registered
December 2016 — 10 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State licenses (2)
Rhode Island #APRN01460 · Connecticut #6658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356885347. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
679
Distinct HCPCS
10
Medicare allowed
$44,569
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 172 96 $65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 148 115 $68
99212 Established patient office or other outpatient visit, 10-19 minutes 71 52 $37
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 44 $104
99238 Hospital discharge day management, 30 minutes or less 47 45 $68
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 38 32 $74
97597 Removal of tissue from wound, 20.0 sq cm or less 32 29 $31
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $80
11042 Removal of skin and tissue, 20.0 sq cm or less 22 16 $53
97597 Removal of tissue from wound, 20.0 sq cm or less 21 17 $30

In context: peer comparison

Among 2 peers in this city , average services per provider: 70. This provider delivers 9.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
49
Total drug cost
$921
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 22 19 $151
Clotrimazole Generic 19 0 $357
Doxycycline Hyclate Generic 18 18 $253
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 12 $160

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Wallace's medical specialty?
Dr. Margaret Wallace practices Acute Care Nurse Practitioner in Westerly, RI.
Where does Dr. Margaret Wallace practice?
Dr. Margaret Wallace practices at 25 Wells St, Westerly, RI 028912922. Office phone: 4015966000.
What is Dr. Margaret Wallace's NPI?
Dr. Margaret Wallace's National Provider Identifier (NPI) is 1356885347, issued by NPPES.
Does Dr. Margaret Wallace accept Medicare assignment?
Yes. Dr. Margaret Wallace accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Wallace commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.