Katherine Eva Macarthur, MD
Family Medicine Physician · Swansea, MA
Katherine Eva Macarthur, MD is a family medicine physician with a practice address in Swansea, Massachusetts, and NPI 1124768239, issued on Mar 29, 2022. Check the license (Massachusetts 1021816, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Eva Macarthur
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1021816 MA
Self-reported in NPPES; status is on the state search - Practice location
- 479 Swansea Mall Dr, Swansea, MA 02777
- Phone
- (508) 973-1570
- Enumerated
- Mar 29, 2022
- Record last updated
- Feb 2, 2026
- Fax
- (508) 973-1545
- Medicare enrollment
- Enrolled (PECOS I20251023000986); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 479 Swansea Mall Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Benevides, NPNurse Practitioner1033179452
- William Blair, D.O.Family Medicine Physician1629428644
- Shawn Blankenship, PT, DPTPhysical Therapist1801322805
- Brittany Braga, NPFamily Nurse Practitioner1942937917
- Jenna Carchedi, DPTPhysical Therapist1164815700
- Brian Costa, FNPNurse Practitioner1144774522
Verify Katherine Eva Macarthur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1021816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,362 Medicare Part D claims for 136 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium78 claims
- Gabapentin68 claims
- Amlodipine Besylate41 claims
- Levothyroxine Sodium41 claims
- Pantoprazole Sodium40 claims
- Alprazolam Er37 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.
Bills Medicare through one group practice
- Southcoast Physicians Group IncSwansea, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Eva Macarthur among 2,265 family medicine physician records in Massachusetts
Katherine Eva Macarthur, MD is one of 2,265 family medicine 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 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2006 among the 1,529 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Swansea
They are 12 of the 351 NPPES records with a practice address in Swansea, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Swansea → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Blair, D.O.Swansea, MA 027771629428644
- Jessica Huang, M.D.Swansea, MA 027771649531302
- Michael IadevaiaSwansea, MA 027771376048637
- James Lippincott, M.D.Swansea, MA 027771801856844
- Melissa Ochoa-Trochez, MDSwansea, MA 027771740700780
- Mark Ringiewicz, M.D.Swansea, MA 027771669432605
- Katrina Roi, MDSwansea, MA 027771720584220
- Priscilla Shube, M.D.Swansea, MA 027771821050006
Common questions
What is Katherine Eva Macarthur, MD's NPI number?
Katherine Eva Macarthur, MD's National Provider Identifier (NPI) is 1124768239, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Eva Macarthur, MD located?
The NPPES record lists a practice address at 479 Swansea Mall Dr, Swansea, MA, 02777. Phone: (508) 973-1570. Providers update this record themselves, so call before visiting.
How can I verify Katherine Eva Macarthur, MD's license?
NPPES lists Massachusetts license number 1021816, 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 Katherine Eva Macarthur, MD prescribe under Medicare Part D?
In 2024, Katherine Eva Macarthur, MD had 1,362 Medicare Part D claims for 136 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.