NPPES file of Aug 9, 2026

Ambreen Ijaz, M.D.

Hematology & Oncology Physician · Warwick, RI

Ambreen Ijaz, M.D. is a hematology & oncology physician with a practice address in Warwick, Rhode Island, and NPI 1194831925, issued on Aug 22, 2006. Check the license (Rhode Island MD14369, 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
1194831925
Name
Ambreen Ijaz
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD14369 RI
80925 CT
235693 MA
018699 ME
Self-reported in NPPES; status is on the state search
Practice location
455 Toll Gate RD, Warwick, RI 02886
Phone
(401) 732-5900
Enumerated
Aug 22, 2006
Record last updated
Jul 14, 2026
Fax
(401) 732-9726
Medicare enrollment
Enrolled (PECOS I20140113000627); 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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8 nearest hematology & oncology physician records → All 88 in Rhode Island → Look up another NPI →

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 Ambreen Ijaz 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 MD14369    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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2.0 times the Medicare Part D claims of the average hematology & oncology physician in 2024

1,760 Medicare Part D claims for 265 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 103 claims were for opioids.

  1. Ambreen Ijaz1,760
  2. Specialty average877

Most prescribed

  1. Anastrozole185 claims
  2. Eliquis159 claims
  3. Xarelto89 claims
  4. Tamoxifen Citrate87 claims
  5. Letrozole73 claims
  6. Dexamethasone58 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: $5,169.57

6 payments; by number, the most common kind was consulting fee; the largest payer was Regeneron Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ambreen Ijaz$5,169.57
  2. Specialty average$7,481.41

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

Bills Medicare through one group practice

  1. Affinity Physicians LLC.Warwick, RI

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

Ambreen Ijaz among 88 hematology & oncology physician records in Rhode Island

Ambreen Ijaz, M.D. is one of 88 hematology & oncology physician records with a practice address in Rhode Island. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 53% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1998 · median 2002 among the 64 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Rhode Island

There are 88 hematology & oncology physician records in Rhode Island.

All 88 in Rhode Island → Every provider in Warwick → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. John Przygoda, M.D.Warwick, RI 028861538195144
  2. Purva Sharma, M.D.Warwick, RI 028861609227370
  3. Rebecca Vanasse, M.D.Westerly, RI 028911861666539
  4. Sylvia Alarcon Velasco, M.D.Wakefield, RI 028791083097091
  5. Gerald Colvin, DOWakefield, RI 028791417954199
  6. Jean Lee, MDWakefield, RI 028791548429517
  7. Nancy Morin, MDWakefield, RI 028791992765713
  8. Griffin Reynolds, MDWakefield, RI 028791891181590

Common questions

What is Ambreen Ijaz, M.D.'s NPI number?

Ambreen Ijaz, M.D.'s National Provider Identifier (NPI) is 1194831925, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ambreen Ijaz, M.D. located?

The NPPES record lists a practice address at 455 Toll Gate RD, Warwick, RI, 02886. Phone: (401) 732-5900. Providers update this record themselves, so call before visiting.

How can I verify Ambreen Ijaz, M.D.'s license?

NPPES lists Rhode Island license number MD14369, 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 Ambreen Ijaz, M.D. prescribe under Medicare Part D?

In 2024, Ambreen Ijaz, M.D. had 1,760 Medicare Part D claims for 265 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.