NPPES file of Aug 9, 2026

Ahmet Afsin Oktay, M.D.

Cardiovascular Disease Physician · Chicago, IL

Ahmet Afsin Oktay, M.D. is a cardiovascular disease physician with a practice address in Chicago, Illinois, and NPI 1457627275, issued on Mar 26, 2012. Check the license (Illinois 036132001, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457627275
Name
Ahmet Afsin Oktay
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
036132001 IL
18128 NH
Self-reported in NPPES; status is on the state search
Practice location
1725 W Harrison St Ste 1159, Chicago, IL 60612
Phone
(312) 942-5020
Enumerated
Mar 26, 2012
Record last updated
Feb 22, 2022
Medicare enrollment
Enrolled (PECOS I20220316002506); 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 1725 W Harrison St Ste 1159

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

  1. Grace Alexander, MDCardiovascular Disease Physician1881330074
  2. Steve Attanasio, DOCardiovascular Disease Physician1972760718
  3. Quinn Capers, M.D.Cardiovascular Disease Physician1053312413
  4. Sneha Chebrolu, MDCardiovascular Disease Physician1174263404
  5. Monique Colbert, APNAcute Care Nurse Practitioner1093044471
  6. Fareed Moses Collado, MDInterventional Cardiology Physician1275763708

Verify Ahmet Afsin Oktay 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 036132001
    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

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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19% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,490 Medicare Part D claims for 404 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Ahmet Oktay2,490
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium251 claims
  2. Carvedilol182 claims
  3. Metoprolol Succinate179 claims
  4. Rosuvastatin Calcium156 claims
  5. Spironolactone115 claims
  6. Amlodipine Besylate114 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: $250.00

2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmet Oktay$250.00
  2. Specialty average$3,819.56

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. Rush University Medical GroupChicago, IL

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

Ahmet Afsin Oktay among 1,073 cardiovascular disease physician records in Illinois

Ahmet Afsin Oktay, M.D. is one of 1,073 cardiovascular disease 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 68% of them.

  • NPI issued2012 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2008 · median 2001 among the 688 with a school on file
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. James Calvin, M.D.Chicago, IL 606121023041522
  2. Quinn Capers, M.D.Chicago, IL 606121053312413
  3. Rami Doukky, M.D.Chicago, IL 606121093761181
  4. Maan El Khadra, MDChicago, IL 606121316946700
  5. Philip Liebson, M.D.Chicago, IL 606121083630370
  6. Victor Pelaez, MDChicago, IL 606121235156266
  7. Jalees Rehman, M.D.Chicago, IL 606121396709135
  8. Cheryl Rucker-Whitaker, MD, MPHChicago, IL 606121821028622

Common questions

What is Ahmet Afsin Oktay, M.D.'s NPI number?

Ahmet Afsin Oktay, M.D.'s National Provider Identifier (NPI) is 1457627275, issued on Mar 26, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ahmet Afsin Oktay, M.D. located?

The NPPES record lists a practice address at 1725 W Harrison St Ste 1159, Chicago, IL, 60612. Phone: (312) 942-5020. Providers update this record themselves, so call before visiting.

How can I verify Ahmet Afsin Oktay, M.D.'s license?

NPPES lists Illinois license number 036132001, 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 Ahmet Afsin Oktay, M.D. prescribe under Medicare Part D?

In 2024, Ahmet Afsin Oktay, M.D. had 2,490 Medicare Part D claims for 404 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.