Ronan Farrell, MD
Gastroenterology Physician · Dartmouth, MA
Ronan Farrell, MD is a gastroenterology physician with a practice address in Dartmouth, Massachusetts, and NPI 1821470675, issued on Jun 28, 2015. Check the license (Massachusetts 1018911, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronan Farrell
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 1018911 MA
MD17495 RI
Self-reported in NPPES; status is on the state search - Practice location
- 535 Faunce Corner RD, Dartmouth, MA 02747
- Phone
- (508) 996-3991
- Enumerated
- Jun 28, 2015
- Record last updated
- Jun 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20240523002875); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 535 Faunce Corner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica Ahaesy, FNPFamily Nurse Practitioner1568891620
- Debby Almeida, MDFamily Medicine Physician1134289127
- Jean AmorePhysician Assistant1932082963
- Sharon Anderson, M.S., CCC-AAudiologist1083864110
- Luiza Arbain, PHARMD.Pharmacist1245232099
- Selina AvelinoAdult Health Nurse Practitioner1831839059
Verify Ronan Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1018911Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average gastroenterology physician in 2024
304 Medicare Part D claims for 105 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole102 claims
- Linzess24 claims
- Ondansetron Hcl20 claims
- Colestipol Hcl15 claims
- Pantoprazole Sodium13 claims
- Dicyclomine Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $279.67
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lifespan Physician Group OF Massachusetts IncDartmouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronan Farrell among 686 gastroenterology physician records in Massachusetts
Ronan Farrell, MD is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 80% of them.
- NPI issued2015 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2004 among the 491 with a school on file
- Record last updated2026 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Dartmouth → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Emma Bell-Wynter, M.D.North Dartmouth, MA 027471891773743
- Edward Herlihy, M.D.N Dartmouth, MA 027471871565754
- James Hoffman, MDNorth Dartmouth, MA 027471790752772
- Alexandra Retana, M.D.Dartmouth, MA 027471487797874
- Paul Sepe, MDDartmouth, MA 027471528194958
- James Tracey, M.D.Dartmouth, MA 027471235106105
- Thomas Vallone, DODartmouth, MA 027471194793513
- Christopher Cheney, MDNew Bedford, MA 027401639145683
Common questions
What is Ronan Farrell, MD's NPI number?
Ronan Farrell, MD's National Provider Identifier (NPI) is 1821470675, issued on Jun 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ronan Farrell, MD located?
The NPPES record lists a practice address at 535 Faunce Corner RD, Dartmouth, MA, 02747. Phone: (508) 996-3991. Providers update this record themselves, so call before visiting.
How can I verify Ronan Farrell, MD's license?
NPPES lists Massachusetts license number 1018911, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronan Farrell, MD prescribe under Medicare Part D?
In 2024, Ronan Farrell, MD had 304 Medicare Part D claims for 105 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.