NPPES file of Aug 9, 2026

Ammara Aziz, MD

Endocrinology, Diabetes & Metabolism Physician · Buffalo Grove, IL

Ammara Aziz, MD is an endocrinology, diabetes & metabolism physician with a practice address in Buffalo Grove, Illinois, and NPI 1336407998, issued on May 1, 2012. Check the license (Illinois 036154001, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1336407998
Name
Ammara Aziz
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
036154001 IL
125056074 IL
01077435A IN
30661 OK
57461-20 WI
Self-reported in NPPES; status is on the state search
Practice location
15 S Mchenry RD FL 3, Buffalo Grove, IL 60089
Phone
(847) 618-0326
Enumerated
May 1, 2012
Record last updated
Jan 25, 2023
Fax
(847) 618-0762
Medicaid ID
201387380 IN
Medicare enrollment
Enrolled (PECOS I20200922001334); 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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Verify Ammara Aziz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036154001
    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 Illinois license search

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42% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,524 Medicare Part D claims for 231 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Ammara Aziz1,524
  2. Specialty average2,630

Most prescribed

  1. Jardiance200 claims
  2. Ozempic174 claims
  3. Mounjaro102 claims
  4. Metformin Hcl98 claims
  5. Levothyroxine Sodium91 claims
  6. Metformin Hcl Er82 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): 89.7 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 score79.3
  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: $400.27

18 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ammara Aziz$400.27
  2. Specialty average$5,742.15

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. Endeavor Health Medical GroupPalatine, IL

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

Ammara Aziz among 436 endocrinology, diabetes & metabolism physician records in Illinois

Ammara Aziz, MD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 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 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 31% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2005 · median 2006 among the 295 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Illinois

There are 436 endocrinology, diabetes & metabolism physician records in Illinois.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Gregory Clark, M.D.Buffalo Grove, IL 600891053363952
  2. Inessa Gelfand, M.D.Buffalo Grove, IL 600891528080637
  3. George Thott, M.DBuffalo Grove, IL 600891124317367
  4. Frank Leung, MDWaukegan, IL 600851972524510
  5. Marjorie Mayer, MDWinnetka, IL 600931770569006
  6. Victoria Trendafilova, MDWinnetka, IL 600931518282847
  7. Ramez Bahu, MDSkokie, IL 600771245591924
  8. Liana Billings, MD, MMSCSkokie, IL 600771457528101

Common questions

What is Ammara Aziz, MD's NPI number?

Ammara Aziz, MD's National Provider Identifier (NPI) is 1336407998, issued on May 1, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ammara Aziz, MD located?

The NPPES record lists a practice address at 15 S Mchenry RD FL 3, Buffalo Grove, IL, 60089. Phone: (847) 618-0326. Providers update this record themselves, so call before visiting.

How can I verify Ammara Aziz, MD's license?

NPPES lists Illinois license number 036154001, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ammara Aziz, MD prescribe under Medicare Part D?

In 2024, Ammara Aziz, MD had 1,524 Medicare Part D claims for 231 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Ammara Aziz, MD's MIPS final score?

The 2023 MIPS final score is 89.7 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.