Doctor profile · Federal record

Dr. Marianne Longacre, DO

Family Medicine Physician (CMS: Osteopathic Manipulative Medicine) · Westerly, RI

  • NPI 1396776266
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
45 Wells St Ste 201
Westerly, RI 028912927
(401) 637-7202
fax (860) 865-2393

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 18, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Rhode Island #DO00537
Medicaid (2)
CT #1396776266 · RI #1396776266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396776266. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,003
Distinct HCPCS
10
Medicare allowed
$124,062
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 442 243 $131
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 211 211 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 77 53 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 67 52 $183
G0008 Administration of influenza virus vaccine 34 34 $31
83036 Hemoglobin a1c level 26 21 $10
G0009 Administration of pneumococcal vaccine 26 26 $31
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 25 24 $15
90662 Influenza vaccine split virus, preservative free 16 16 $72
99496 Transitional care management services for problem of high complexity 16 14 $284

In context: peer comparison

Among 2 peers in this city , average services per provider: 73. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,337
Patients
642
Total drug cost
$33,942
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 356 85 $5,541
Atorvastatin Calcium Generic 255 66 $3,364
Amlodipine Besylate Generic 200 58 $1,945
Gabapentin Generic 197 43 $3,944
Lisinopril Generic 191 59 $2,189
Losartan Potassium Generic 158 48 $2,422
Rosuvastatin Calcium Generic 152 44 $2,943
Simvastatin Generic 129 37 $1,556
Famotidine Generic 124 31 $1,896
Escitalopram Oxalate Generic 107 31 $1,855

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianne Longacre's medical specialty?
Dr. Marianne Longacre practices Family Medicine Physician in Westerly, RI.
Where does Dr. Marianne Longacre practice?
Dr. Marianne Longacre practices at 45 Wells St Ste 201, Westerly, RI 028912927. Office phone: 4016377202.
What is Dr. Marianne Longacre's NPI?
Dr. Marianne Longacre's National Provider Identifier (NPI) is 1396776266, issued by NPPES.
Does Dr. Marianne Longacre accept Medicare assignment?
Yes. Dr. Marianne Longacre accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianne Longacre commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.