Doctor profile · Federal record

Dr. Julia Irwin, M.D.

Psychiatry Physician (CMS: Psychiatry) · Norman, OK

  • NPI 1306951124
  • Accepts Medicare
  • MIPS 10.0 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
820 Wall St
Norman, OK 730696302
(405) 928-2044
fax (405) 928-2049

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 18, 2013
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Oklahoma #20319

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306951124. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,071
Distinct HCPCS
3
Medicare allowed
$91,548
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 978 342 $81
90792 Psychiatric diagnostic evaluation with medical services 47 47 $187
90832 Psychotherapy, 30 minutes 46 11 $72

In context: peer comparison

Among 13 peers in this city , average services per provider: 130. This provider delivers 8.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,955
Transactions
191
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 36 $512.83
ABBVIE INC. 40 $450.68
Teva Pharmaceuticals USA, Inc. 24 $371.64
Lundbeck LLC 15 $305.89
Janssen Pharmaceuticals, Inc 15 $235.89
Almatica Pharma LLC 11 $198.98
Alkermes, Inc. 9 $161.04
Vanda Pharmaceuticals Inc. 9 $150.49
Axsome Therapeutics, Inc. 7 $136.93
Takeda Pharmaceuticals U.S.A., Inc. 12 $134.02
Neurocrine Biosciences, Inc. 8 $133.66
Supernus Pharmaceuticals, Inc. 3 $129.42
IDORSIA PHARMACEUTICALS US INC 1 $17.91
Otsuka America Pharmaceutical, Inc. 1 $15.58

By nature of payment

Food and Beverage
$2,955

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,967
Patients
639
Total drug cost
$46,324
Drug Type Claims Patients Total cost
Alprazolam Generic 485 75 $2,975
Clonazepam Generic 302 47 $2,629
Lamotrigine Generic 267 55 $3,105
Duloxetine Hcl Generic 240 50 $8,207
Quetiapine Fumarate Generic 226 52 $3,560
Buspirone Hcl Generic 220 60 $4,016
Trazodone Hcl Generic 193 60 $2,677
Zolpidem Tartrate Generic 191 36 $1,257
Lorazepam Generic 168 35 $1,222
Aripiprazole Generic 124 29 $7,507

Frequently asked questions

Auto-generated from federal data
What is Dr. Julia Irwin's medical specialty?
Dr. Julia Irwin practices Psychiatry Physician in Norman, OK.
Where does Dr. Julia Irwin practice?
Dr. Julia Irwin practices at 820 Wall St, Norman, OK 730696302. Office phone: 4059282044.
What is Dr. Julia Irwin's NPI?
Dr. Julia Irwin's National Provider Identifier (NPI) is 1306951124, issued by NPPES.
Does Dr. Julia Irwin accept Medicare assignment?
Yes. Dr. Julia Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julia Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Psychotherapy (HCPCS 90832). Source: CMS Medicare Physician & Other Practitioners file.