Katherine F. Sweeny, M.D.
Pediatric Gastroenterology Physician · Boston, MA
Katherine F. Sweeny, M.D. is a pediatric gastroenterology physician with a practice address in Boston, Massachusetts, and NPI 1063855658, issued on Apr 12, 2013. Check the license (Massachusetts 270491, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine F. Sweeny
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 270491 MA
35.127385 OH
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- Apr 12, 2013
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210427002926); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 135 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Abadir, MDPediatric Cardiology Physician1427366459
- Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Katherine F. Sweeny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 270491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine F. Sweeny among 135 pediatric gastroenterology physician records in Massachusetts
Katherine F. Sweeny, M.D. is one of 135 pediatric gastroenterology physician records with a practice address in Massachusetts. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 24% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2013 · median 2004 among the 67 with a school on file
- Record last updated2021 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Massachusetts
There are 135 pediatric gastroenterology physician records in Massachusetts.
All 135 in Massachusetts → Every provider in Boston → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Elana Bern, MD, MPHBoston, MA 021151598785727
- Douglas Fishman, MDBoston, MA 021151912962168
- Laurie Fishman, MDBoston, MA 021151053324400
- Elizabeth Hait, M.D.Boston, MA 021151700803160
- Leslie Higuchi, MDBoston, MA 021151386657732
- Susanna Huh, MDBoston, MA 021151447263728
- Daniel Kamin, MDBoston, MA 021151770592511
- Wayne Lencer, MDBoston, MA 021151073541272
Common questions
What is Katherine F. Sweeny, M.D.'s NPI number?
Katherine F. Sweeny, M.D.'s National Provider Identifier (NPI) is 1063855658, issued on Apr 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katherine F. Sweeny, M.D. located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.
How can I verify Katherine F. Sweeny, M.D.'s license?
NPPES lists Massachusetts license number 270491, 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.
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.