NPPES file of Aug 9, 2026

Catherine B. Phamduy

Family Medicine Physician · Warwick, RI

Catherine B. Phamduy is a family medicine physician with a practice address in Warwick, Rhode Island, and NPI 1356928089, issued on Mar 27, 2021. Check the license (Rhode Island LP05390, 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
1356928089
Name
Catherine B. Phamduy
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
LP05390 RI
Self-reported in NPPES; status is on the state search
Practice location
455 Toll Gate RD, Warwick, RI 02886
Phone
(401) 737-7010
Enumerated
Mar 27, 2021
Record last updated
Jun 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250904001447); 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 455 Toll Gate RD

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

  1. Reshma Abraham, MDInternal Medicine Physician1972943413
  2. Ahmad Abu Dayyeh, MDInternal Medicine Physician1265322275
  3. Hadeel Al-Rawi, MDInternal Medicine Physician1780569533
  4. Matthew AlamEmergency Medicine Physician1609718170
  5. Mareena Aldayani, DOStudent in an Organized Health Care Education/Training Program1740977610
  6. Khalid Alhourani, MDPulmonary Disease Physician1831232636

Verify Catherine B. Phamduy 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 LP05390
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average family medicine physician in 2024

356 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 15 claims were for opioids.

  1. Catherine Phamduy356
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium34 claims
  2. Amlodipine Besylate27 claims
  3. Lisinopril24 claims
  4. Losartan Potassium19 claims
  5. Pantoprazole Sodium12 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

  1. Elliot Professional ServicesManchester, NH

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

Catherine B. Phamduy among 475 family medicine physician records in Rhode Island

Catherine B. Phamduy is one of 475 family medicine physician records with a practice address in Rhode Island. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 80% of them.

  • NPI issued2021 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2008 among the 282 with a school on file
  • Record last updated2021 · 41% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

92 family medicine physician records list a practice address in Warwick

They are 92 of the 2,776 NPPES records with a practice address in Warwick, and 475 family medicine physician records in Rhode Island.

The 8 family medicine physician records with the nearest ZIP codes

  1. Keith Callahan, M.D.Warwick, RI 028861629063219
  2. Pierre Caron, MDWarwick, RI 028861871588947
  3. Susan Clemens, MDWarwick, RI 028861972566396
  4. David Danzer, M.D.Warwick, RI 028861770528275
  5. Michael Felder, DOWarwick, RI 028861871530592
  6. Douglas Foreman, DOWarwick, RI 028861710983366
  7. John Horan, DOWarwick, RI 028861679567531
  8. Polly Leonard, D.O.Warwick, RI 028861801893367

Common questions

What is Catherine B. Phamduy's NPI number?

Catherine B. Phamduy's National Provider Identifier (NPI) is 1356928089, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Catherine B. Phamduy located?

The NPPES record lists a practice address at 455 Toll Gate RD, Warwick, RI, 02886. Phone: (401) 737-7010. Providers update this record themselves, so call before visiting.

How can I verify Catherine B. Phamduy's license?

NPPES lists Rhode Island license number LP05390, 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 Catherine B. Phamduy prescribe under Medicare Part D?

In 2024, Catherine B. Phamduy had 356 Medicare Part D claims for 56 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.