Marijan Koprivanac, M.D.
NPI 1871836536 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marijan Koprivanac, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Philadelphia, PA (NPI 1871836536).
Provider details
- NPI number
- 1871836536
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
178 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 | 63 | $125 |
| Replacement of Aortic Valve on Heart-Lung Machine33405 | 43 | $1,528 |
| Coronary Artery Bypass Or Valve Procedure Reoperation More Than 1 Month After Original Operation33530 | 20 | $496 |
| Repair of Aortic Arch With Graft on Heart-Lung Machine33871 | 14 | $2,408 |
| Replacement of Mitral Valve on Heart-Lung Machine33430 | 13 | $2,037 |
| Harvest of Vein Using an Endoscope33508 | 13 | $14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,036 across 19 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
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2019-07-24
Frequently asked questions
- What is Marijan Koprivanac's NPI number?
- Marijan Koprivanac's National Provider Identifier (NPI) is 1871836536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marijan Koprivanac's specialty?
- Marijan Koprivanac is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Marijan Koprivanac located?
- Marijan Koprivanac's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4238.
- What is Marijan Koprivanac's phone number?
- The practice phone number listed in the NPPES registry for Marijan Koprivanac is (215) 662-6157.
- Does Marijan Koprivanac accept Medicare?
- Marijan Koprivanac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marijan Koprivanac's NPI active?
- Yes — Marijan Koprivanac's NPI (1871836536) is active in the NPPES registry as of the last update on 2019-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.