NPPES file of Aug 9, 2026

Catherine A. Azar, MD

Hematology & Oncology Physician · Tucson, AZ

Catherine A. Azar, MD is a hematology & oncology physician with a practice address in Tucson, Arizona, and NPI 1083741037, issued on Feb 27, 2007. Check the license (Arizona 17741, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083741037
Name
Catherine A. Azar
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
17741 AZ
Self-reported in NPPES; status is on the state search
Practice location
3945 E Paradise Falls Dr Ste 105, Tucson, AZ 85712
Phone
(502) 689-7030
Enumerated
Feb 27, 2007
Record last updated
Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(520) 395-9796
Medicare enrollment
Enrolled (PECOS I20110606000503); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1983
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 3945 E Paradise Falls Dr Ste 105

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

  1. Guillermo Gonzalez, M.D.Hematology & Oncology Physician1740249986
  2. Kathryn Kennel, NPFamily Nurse Practitioner1144252164
  3. Manuel Modiano, M.D.Hematology & Oncology Physician1003864380
  4. Linda Moors, PA-CMedical Physician Assistant1295776912
  5. Benjamin Schwartz, M.D.Hematology & Oncology Physician1194188367
  6. Jonathan Schwartz, M.D.Hematology & Oncology Physician1437101755

Verify Catherine A. Azar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 17741
    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 Arizona 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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71% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,501 Medicare Part D claims for 289 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 63 claims were for opioids.

  1. Catherine Azar1,501
  2. Specialty average877

Most prescribed

  1. Letrozole344 claims
  2. Revlimid97 claims
  3. Imbruvica55 claims
  4. Ibrance52 claims
  5. Acyclovir48 claims
  6. Anastrozole46 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score99.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,503.77

39 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Catherine Azar$1,503.77
  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. Arizona Blood And Cancer Specialists, PLLCTucson, AZ

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

Catherine A. Azar among 285 hematology & oncology physician records in Arizona

Catherine A. Azar, MD is one of 285 hematology & oncology physician records with a practice address in Arizona. 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 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 48% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated1983 · median 2003 among the 229 with a school on file
  • Record last updated2020 · 37% 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 Arizona 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 Arizona

There are 285 hematology & oncology physician records in Arizona.

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

  1. Guillermo Gonzalez, M.D.Tucson, AZ 857121740249986
  2. Steven Ketchel, M.D.Tucson, AZ 857121760441968
  3. Manuel Modiano, M.D.Tucson, AZ 857121003864380
  4. Jonathan Schwartz, M.D.Tucson, AZ 857121437101755
  5. Benjamin Schwartz, M.D.Tucson, AZ 857121194188367
  6. Natalie Stanton, M.D.Tucson, AZ 857121528230737
  7. Ahmed Abdelaziz, M.D.Tucson, AZ 857111477817971
  8. Aisha Ahmed, M.D.Tucson, AZ 857111730341850

Common questions

What is Catherine A. Azar, MD's NPI number?

Catherine A. Azar, MD's National Provider Identifier (NPI) is 1083741037, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine A. Azar, MD located?

The NPPES record lists a practice address at 3945 E Paradise Falls Dr Ste 105, Tucson, AZ, 85712. Phone: (502) 689-7030. Providers update this record themselves, so call before visiting.

How can I verify Catherine A. Azar, MD's license?

NPPES lists Arizona license number 17741, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Catherine A. Azar, MD prescribe under Medicare Part D?

In 2024, Catherine A. Azar, MD had 1,501 Medicare Part D claims for 289 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Catherine A. Azar, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.