Doctor profile · Federal record

Dr. Flynn McCullough, D.O.

Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · Student in an Organized Health Care Education/Training Program · Sioux City, IA

  • NPI 1023542271
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
600 4Th St Ste 501
Sioux City, IA 511011606
(712) 234-0220
fax (712) 234-0225
Additional location
525 East Market Street, Summa Psychiatry
Akron, OH 44304
(330) 379-5083

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 12, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2084P0804X — NUCC code
State license (1)
Iowa #06119

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023542271. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$1,330
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 12 $74

In context: peer comparison

Among 2 peers in Sioux City Child & Adolescent Psychiatry Physician, average services per provider: 56. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,607
Transactions
100
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lundbeck LLC 10 $196.41
Abbvie INC. 15 $159.84
Otsuka America Pharmaceutical, INC. 12 $148.44
Alkermes, INC. 8 $139.87
Supernus Pharmaceuticals, INC. 8 $139.56
Vanda Pharmaceuticals INC. 8 $135.41
Janssen Pharmaceuticals, INC 7 $131.39
Axsome Therapeutics, INC. 5 $90.40
Corium, LLC 8 $79.84
Noven Therapeutics, LLC 5 $76.24
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 4 $71.20
Teva Pharmaceuticals USA, INC. 4 $65.60
Neurocrine Biosciences, INC. 3 $47.89
Takeda Pharmaceuticals U.S.A., INC. 2 $31.44
Acadia Pharmaceuticals INC 1 $24.21

By nature of payment

Food and Beverage
$1,595
Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
0
Total drug cost
$19,320
Drug Type Claims Patients Total cost
Clonazepam Generic 40 0 $188
Lorazepam Generic 26 0 $159
Trazodone Hcl Generic 24 0 $235
Lamotrigine Generic 21 0 $272
Alprazolam Generic 20 0 $36
Belsomra (Suvorexant) Brand 20 0 $9,160
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 18 0 $313
Methylphenidate Hcl Generic 17 0 $663
Vyvanse (Lisdexamfetamine Dimesylate) Brand 13 0 $5,213
Fluoxetine Hcl Generic 12 0 $342

Frequently asked questions

Auto-generated from federal data
What is Dr. Flynn McCullough's medical specialty?
Dr. Flynn McCullough practices Child & Adolescent Psychiatry Physician in Sioux City, IA.
Where does Dr. Flynn McCullough practice?
Dr. Flynn McCullough practices at 600 4Th St Ste 501, Sioux City, IA 511011606. Office phone: 7122340220.
What is Dr. Flynn McCullough's NPI?
Dr. Flynn McCullough's National Provider Identifier (NPI) is 1023542271, issued by NPPES.
Does Dr. Flynn McCullough accept Medicare assignment?
Yes. Dr. Flynn McCullough accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Flynn McCullough commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.