Petar Duvnjak, M.D.
NPI 1922394436 · Diagnostic Radiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Petar Duvnjak, M.D. is a Diagnostic Radiology Physician provider in Milwaukee, WI (NPI 1922394436).
Provider details
- NPI number
- 1922394436
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 67377 (CT)
Specialties & taxonomies
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
15 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
3,653 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 638 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 321 | $80 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 215 | $140 |
| Ct Scan Head Or Brain Without Contrast70450 | 201 | $37 |
| Ct Scan of Chest With Contrast71260 | 183 | $49 |
| Ct Scan of Chest With Contrast71260 | 151 | $58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$547 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 (1)
- 2825 Oak Lawn Ave Unit 192749Dallas, TX 75219-4688Phone: (510) 683-9500
Registry dates
- Enumerated
- 2011-06-22
- Last updated
- 2024-09-10
- Certified
- 2024-09-10
Frequently asked questions
- What is Petar Duvnjak's NPI number?
- Petar Duvnjak's National Provider Identifier (NPI) is 1922394436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Petar Duvnjak's specialty?
- Petar Duvnjak is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Petar Duvnjak located?
- Petar Duvnjak's practice location on file with NPPES is 9200 W Wisconsin Avenue, Milwaukee, WI 53226-3522.
- What is Petar Duvnjak's phone number?
- The practice phone number listed in the NPPES registry for Petar Duvnjak is (414) 805-3750.
- Does Petar Duvnjak accept Medicare?
- Petar Duvnjak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Petar Duvnjak's NPI active?
- Yes — Petar Duvnjak's NPI (1922394436) is active in the NPPES registry as of the last update on 2024-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.