NPPES file of Aug 9, 2026

Christine M. Duffy, MD

Internal Medicine Physician · Riverside, RI

Christine M. Duffy, MD is an internal medicine physician with a practice address in Riverside, Rhode Island, and NPI 1326087677, issued on Jun 5, 2006. Check the license (Rhode Island MD11305, 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
1326087677
Name
Christine M. Duffy
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD11305 RI
Self-reported in NPPES; status is on the state search
Practice location
375 Wampanoag Trl, Riverside, RI 02915
Phone
(401) 649-4050
Enumerated
Jun 5, 2006
Record last updated
Mar 4, 2026
Fax
(401) 649-4051
Medicaid ID
1326087677 RI
Medicare enrollment
Enrolled (PECOS I20031112000176); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1998
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 375 Wampanoag Trl

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

  1. J Gary Abuelo, MDNephrology Physician1396797551
  2. Yasin Abul, M.DInternal Medicine Physician1235517889
  3. Mary Angeli AguinaldoInternal Medicine Physician1174046916
  4. Jesus Aguirre, MDInternal Medicine Physician1831778851
  5. Hina Ali, MDInternal Medicine Physician1346437878
  6. Seema Amin, M.D.Pulmonary Disease Physician1477890754

Verify Christine M. Duffy 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 MD11305
    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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39% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,952 Medicare Part D claims for 206 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 31 claims were for opioids.

  1. Christine Duffy1,952
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate182 claims
  2. Atorvastatin Calcium152 claims
  3. Lisinopril102 claims
  4. Losartan Potassium89 claims
  5. Hydrochlorothiazide86 claims
  6. Rosuvastatin Calcium79 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.

3 hospitals and group practices

  1. Rhode Island HospitalProvidence, RI · Acute Care Hospitals4 of 5 stars
  2. Brown MedicineRiverside, RI
  3. Coastal Medical Physicians IncRiverside, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

38 internal medicine physician records list a practice address in Riverside

They are 38 of the 586 NPPES records with a practice address in Riverside, and 1,033 internal medicine physician records in Rhode Island.

Other internal medicine physician records in Rhode Island

  1. Zainab AbbasiProvidence, RI1154990125
  2. Salvatore Abbruzzese, D.O. PCWakefield, RI1396774089
  3. Azamat Abdyraimov, MDProvidence, RI1184303216
  4. Marie Abejuela, MDProvidence, RI1326229501
  5. Reshma Abraham, MDWarwick, RI1972943413
  6. Alaa Abu Ajamieh, MDProvidence, RI1952283830
  7. Ahmad Abu Dayyeh, MDWarwick, RI1265322275
  8. Yusra Abu ShreikhProvidence, RI1255169991
  9. Yasin Abul, M.DRiverside, RI1235517889
  10. Lana Abusubaih, MDProvidence, RI1831967876

Common questions

What is Christine M. Duffy, MD's NPI number?

Christine M. Duffy, MD's National Provider Identifier (NPI) is 1326087677, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christine M. Duffy, MD located?

The NPPES record lists a practice address at 375 Wampanoag Trl, Riverside, RI, 02915. Phone: (401) 649-4050. Providers update this record themselves, so call before visiting.

How can I verify Christine M. Duffy, MD's license?

NPPES lists Rhode Island license number MD11305, 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 Christine M. Duffy, MD prescribe under Medicare Part D?

In 2024, Christine M. Duffy, MD had 1,952 Medicare Part D claims for 206 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.