Doctor profile · Federal record

Dr. Darko Zdilar, MD

Psychiatry Physician (CMS: Psychiatry) · Waterloo, IA

  • NPI 1871527903
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
146 W Dale St, Ste 101
Waterloo, IA 50703
(319) 233-3351
fax (319) 235-3132

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 1, 2016
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Iowa #33309
Medicaid
IA #1213918

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871527903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
5
Medicare allowed
$67,897
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 360 125 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 278 113 $79
Q3014 Telehealth originating site facility fee 60 21 $28
90834 Psychotherapy, 45 minutes 22 14 $89
90792 Psychiatric diagnostic evaluation with medical services 20 20 $190

In context: peer comparison

Among 6 peers in this city , average services per provider: 111. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,672
Transactions
85
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 22 $372.73
Otsuka America Pharmaceutical, Inc. 16 $318.61
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 12 $213.31
Lundbeck LLC 9 $195.51
Takeda Pharmaceuticals U.S.A., Inc. 6 $156.51
Janssen Pharmaceuticals, Inc 4 $102.90
Vanda Pharmaceuticals Inc. 4 $86.56
Axsome Therapeutics, Inc. 4 $83.51
Neurocrine Biosciences, Inc. 4 $75.40
Alkermes, Inc. 2 $29.94
Teva Pharmaceuticals USA, Inc. 1 $21.54
Almatica Pharma LLC 1 $15.07

By nature of payment

Food and Beverage
$1,663
Education
$8

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,820
Patients
617
Total drug cost
$76,012
Drug Type Claims Patients Total cost
Clonazepam Generic 621 89 $5,248
Escitalopram Oxalate Generic 338 63 $4,328
Bupropion Xl (Bupropion Hcl) Brand 323 50 $5,915
Duloxetine Hcl Generic 289 50 $6,654
Alprazolam Generic 271 42 $1,913
Lorazepam Generic 260 37 $2,430
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 259 36 $6,298
Lamotrigine Generic 237 34 $2,771
Sertraline Hcl Generic 228 38 $2,143
Aripiprazole Generic 202 45 $14,742

Frequently asked questions

Auto-generated from federal data
What is Dr. Darko Zdilar's medical specialty?
Dr. Darko Zdilar practices Psychiatry Physician in Waterloo, IA.
Where does Dr. Darko Zdilar practice?
Dr. Darko Zdilar practices at 146 W Dale St, Waterloo, IA 50703. Office phone: 3192333351.
What is Dr. Darko Zdilar's NPI?
Dr. Darko Zdilar's National Provider Identifier (NPI) is 1871527903, issued by NPPES.
Does Dr. Darko Zdilar accept Medicare assignment?
Yes. Dr. Darko Zdilar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darko Zdilar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Telehealth originating site facility fee (HCPCS Q3014). Source: CMS Medicare Physician & Other Practitioners file.