Ahmet Oktay, M.D.
NPI 1457627275 · Cardiovascular Disease Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ahmet Oktay, M.D. is a Cardiovascular Disease Physician provider in Chicago, IL (NPI 1457627275).
Provider details
- NPI number
- 1457627275
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18128 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,145 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 385 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 217 | $100 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 169 | $14 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 160 | $21 |
| Nuclear Medicine Studies of Blood Flow in Heart Muscle at Rest and With Stress With Concurrent Ct Scan78431 | 115 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 251 | 103 |
| Carvedilol | 182 | 66 |
| Metoprolol Succinate | 179 | 71 |
| Rosuvastatin Calcium | 156 | 49 |
| Spironolactone | 115 | 35 |
| Amlodipine Besylate | 114 | 43 |
| Furosemide | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$250 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 355 Ridge AveEvanston, IL 60202-3328Phone: (847) 316-4000
- 19 Old Rollinsford Rd Bldg BDover, NH 03820-2807Phone: (603) 516-4265
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2022-02-22
- Certified
- 2022-02-22
Frequently asked questions
- What is Ahmet Oktay's NPI number?
- Ahmet Oktay's National Provider Identifier (NPI) is 1457627275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ahmet Oktay's specialty?
- Ahmet Oktay is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ahmet Oktay located?
- Ahmet Oktay's practice location on file with NPPES is 1725 W Harrison St Ste 1159, Chicago, IL 60612-3883.
- What is Ahmet Oktay's phone number?
- The practice phone number listed in the NPPES registry for Ahmet Oktay is (312) 942-5020.
- Does Ahmet Oktay accept Medicare?
- Ahmet Oktay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ahmet Oktay's NPI active?
- Yes — Ahmet Oktay's NPI (1457627275) is active in the NPPES registry as of the last update on 2022-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.