Erhan Guler, MD
NPI 1275121477 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Winfield, IL
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erhan Guler, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Winfield, IL (NPI 1275121477).
Provider details
- NPI number
- 1275121477
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35.147107 (OH)
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
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
403 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) |
|---|---|---|
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 78 | $792 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 46 | $74 |
| Harvest of Vein Using an Endoscope33508 | 45 | $17 |
| Exclusion of Appendage of Left Upper Chamber of Heart Performed During Other Procedure on Chest33268 | 31 | $136 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 30 | $1,777 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (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 (1)
- Main Campus Cleveland Clinic 9500 Euclid Avenue/Na-23Cleveland, OH 44195-0001Phone: (216) 444-2200
Registry dates
- Enumerated
- 2021-01-04
- Last updated
- 2023-11-13
- Certified
- 2023-11-13
Frequently asked questions
- What is Erhan Guler's NPI number?
- Erhan Guler's National Provider Identifier (NPI) is 1275121477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erhan Guler's specialty?
- Erhan Guler is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Erhan Guler located?
- Erhan Guler's practice location on file with NPPES is 25 N Winfield Rd Ste 201, Winfield, IL 60190-1379.
- What is Erhan Guler's phone number?
- The practice phone number listed in the NPPES registry for Erhan Guler is (630) 933-4480.
- Does Erhan Guler accept Medicare?
- Erhan Guler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erhan Guler's NPI active?
- Yes — Erhan Guler's NPI (1275121477) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.