Doctor profile · Federal record

Dr. Jennifer Irwin, M.D.

Psychiatry Physician (CMS: Psychiatry) · Tacoma, WA

  • NPI 1356505283
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
618 N G St
Tacoma, WA 984032410
(253) 779-5519

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Washington #MD00045875

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356505283. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
651
Distinct HCPCS
2
Medicare allowed
$63,415
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 339 77 $125
90833 Psychotherapy with evaluation and management visit, 30 minutes 312 75 $67

In context: peer comparison

Among 10 peers in this city , average services per provider: 86. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$345
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $228.13
Alkermes, Inc. 1 $117.30

By nature of payment

Food and Beverage
$345

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,040
Patients
190
Total drug cost
$30,753
Drug Type Claims Patients Total cost
Lamotrigine Generic 158 36 $2,742
Trazodone Hcl Generic 98 19 $1,291
Quetiapine Fumarate Generic 95 19 $2,834
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 90 13 $3,285
Sertraline Hcl Generic 67 15 $763
Aripiprazole Generic 63 13 $1,971
Risperidone Generic 63 15 $1,472
Ziprasidone Hcl Generic 62 0 $5,884
Diazepam Generic 56 0 $396
Olanzapine Generic 51 11 $4,387

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Irwin's medical specialty?
Dr. Jennifer Irwin practices Psychiatry Physician in Tacoma, WA.
Where does Dr. Jennifer Irwin practice?
Dr. Jennifer Irwin practices at 618 N G St, Tacoma, WA 984032410. Office phone: 2537795519.
What is Dr. Jennifer Irwin's NPI?
Dr. Jennifer Irwin's National Provider Identifier (NPI) is 1356505283, issued by NPPES.
Does Dr. Jennifer Irwin accept Medicare assignment?
Yes. Dr. Jennifer Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.