NPPES file of Aug 9, 2026

Katherine Maccallum, MD

Vascular Surgery Physician · Providence, RI

Katherine Maccallum, MD is a vascular surgery physician with a practice address in Providence, Rhode Island, and NPI 1194110189, issued on Apr 6, 2015. Check the license (Rhode Island MD18473, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194110189
Name
Katherine Maccallum
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
MD18473 RI
293441 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Dudley St Ste 470, Providence, RI 02905
Phone
(401) 553-8325
Enumerated
Apr 6, 2015
Record last updated
Sep 21, 2022
Fax
(401) 868-2336
Medicare enrollment
Enrolled (PECOS I20220728000808); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Dudley St Ste 470

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abbas Abbas, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1285684092
  2. Hana Ajouz, MEDICAL DOCTORThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1639690951
  3. Jessica Amaral, NPGerontology Nurse Practitioner1770289019
  4. Meghan Blanchette, NPNurse Practitioner1861198103
  5. Luzviminda Conte, PAPhysician Assistant1700874690
  6. Anne Dacosta, PA-CPhysician Assistant1700372356

Verify Katherine Maccallum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD18473
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

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75% fewer Medicare Part D claims than the average vascular surgery physician in 2024

51 Medicare Part D claims for 25 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.

  1. Katherine Maccallum51
  2. Specialty average201

Most prescribed

  1. Cilostazol18 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: $863.58

7 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Maccallum$863.58
  2. Specialty average$6,178.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Lifespan Physician Group IncProvidence, RI
  2. University Surgical Associates, Inc.Providence, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vascular Surgery Physician providers in Rhode Island

There are 13 vascular surgery physician records in Rhode Island.

Other vascular surgery physician records in Rhode Island

  1. Thomas Carruthers, MDProvidence, RI1720206568
  2. Tze Tec Chong, M.D.Providence, RI1962436758
  3. Garima Dosi, MDWarwick, RI1578712535
  4. Junaid Malek, M.D.Providence, RI1487769162
  5. Edward Marcaccio, MDProvidence, RI1073511218
  6. Richard Meena, MDProvidence, RI1558866350
  7. Carla Moreira, MDProvidence, RI1487815478
  8. Robert Patterson, MDProvidence, RI1124101258
  9. M.taghi Rajabiun, M.D.North Providence, RI1003873134
  10. Jeffrey Slaiby, MDProvidence, RI1821096777

Common questions

What is Katherine Maccallum, MD's NPI number?

Katherine Maccallum, MD's National Provider Identifier (NPI) is 1194110189, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Maccallum, MD located?

The NPPES record lists a practice address at 2 Dudley St Ste 470, Providence, RI, 02905. Phone: (401) 553-8325. Providers update this record themselves, so call before visiting.

How can I verify Katherine Maccallum, MD's license?

NPPES lists Rhode Island license number MD18473, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Maccallum, MD prescribe under Medicare Part D?

In 2024, Katherine Maccallum, MD had 51 Medicare Part D claims for 25 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.