Doctor profile · Federal record

Dr. Ronan Farrell, MD

Gastroenterology Physician (CMS: Gastroenterology) · Dartmouth, MA

  • NPI 1821470675
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
535 Faunce Corner RD
Dartmouth, MA 027471242
(508) 996-3991
Additional location
245 Chapman St Ste 300
Providence, RI 029054539
(401) 444-5280
fax (401) 444-4480
Additional location
375 Wampanoag Trl
Riverside, RI 029152232
(401) 649-4030
fax (401) 649-4031
Show 1 more location
Additional location
62 Amaral St
Riverside, RI 029152205
(401) 649-4030
fax (401) 649-4970

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
March 29, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Rhode Island #MD17495

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821470675. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
188
Distinct HCPCS
6
Medicare allowed
$26,627
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 55 36 $128
45380 Biopsy of large bowel using a flexible endoscope 46 46 $136
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 29 $108
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $254
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $81
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 11 11 $184

In context: peer comparison

Among 3 peers in this city , average services per provider: 58. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$280
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 1 $130.24
Madrigal Pharmaceuticals 1 $114.96
ABBVIE INC. 2 $34.47

By nature of payment

Food and Beverage
$280

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
236
Patients
49
Total drug cost
$42,823
Drug Type Claims Patients Total cost
Omeprazole Generic 97 49 $1,956
Pantoprazole Sodium Generic 23 0 $380
Dicyclomine Hcl Generic 21 0 $648
Lactulose Generic 15 0 $400
Ondansetron Hcl Generic 15 0 $136
Spironolactone Generic 15 0 $317
Furosemide Generic 14 0 $46
Famotidine Generic 13 0 $231
Colestipol Hcl Generic 12 0 $869
Xifaxan (Rifaximin) Brand 11 0 $37,841

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronan Farrell's medical specialty?
Dr. Ronan Farrell practices Gastroenterology Physician in Dartmouth, MA.
Where does Dr. Ronan Farrell practice?
Dr. Ronan Farrell practices at 535 Faunce Corner RD, Dartmouth, MA 027471242. Office phone: 5089963991.
What is Dr. Ronan Farrell's NPI?
Dr. Ronan Farrell's National Provider Identifier (NPI) is 1821470675, issued by NPPES.
Does Dr. Ronan Farrell accept Medicare assignment?
Dr. Ronan Farrell does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ronan Farrell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.