Darko Zdilar, MD
NPI 1871527903ActiveIndividual· Psychiatry & Neurology, Psychiatry· Waterloo, IA
Psychiatry & Neurology, Psychiatry (MD) with Pathways Behavioral Services Inc, practicing in Waterloo, Iowa. Their prescriptions cost Medicare Part D more than their services did: $755,096 for 5,327 claims, against $48,133 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 11 companies reporting payments in 2025, $1,903 in all, mostly food and beverage.
Overview
| NPI | 1871527903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Dec 1, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 33309 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (IA); Practitioner - Psychiatry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 646 across 11 procedure codes |
| Paid by Medicare | $48,133 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,327 · 6,948 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $755,096 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Psychiatry |
| Secondary specialties | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Pathways Behavioral Services IncWaverly, IA · 18 clinicians
Industry payments (Open Payments)
- 2025$1,903 · 105 payments from 11 companies
- 2024$1,672 · 85 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $542.95 | 37 |
| Abbvie Inc. | $460.09 | 27 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $340.65 | 17 |
| Neurocrine Biosciences, Inc. | $190.21 | 7 |
| Axsome Therapeutics, Inc. | $86.09 | 4 |
What the 2025 payments were for
- Food and Beverage$1,894 · 104 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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