John Stulak, M.D.
NPI 1154392587 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Madison, WI
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Stulak, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Madison, WI (NPI 1154392587).
Provider details
- NPI number
- 1154392587
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53205 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 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
227 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 47 | $169 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 46 | $113 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 41 | $687 |
| Harvest of Vein Using an Endoscope33508 | 31 | $15 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 31 | $1,568 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 1 Graft33517 | 19 | $168 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 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 (2)
- 13400 E Shea BlvdScottsdale, AZ 85259-5452Phone: (480) 301-8000
- 4500 San Pablo Rd SJacksonville, FL 32224-1865Phone: (904) 953-2000
Registry dates
- Enumerated
- 2006-02-01
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is John Stulak's NPI number?
- John Stulak's National Provider Identifier (NPI) is 1154392587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Stulak's specialty?
- John Stulak is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Stulak located?
- John Stulak's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is John Stulak's phone number?
- The practice phone number listed in the NPPES registry for John Stulak is (608) 263-8949.
- Does John Stulak accept Medicare?
- John Stulak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Stulak's NPI active?
- Yes — John Stulak's NPI (1154392587) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.