Doctor profile · Federal record

Dr. Mariusz Wirga, MD

Psychiatry Physician (CMS: Psychiatry) · Long Beach, CA

  • NPI 1346218625
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4201 Long Beach Blvd, Ste 203
Long Beach, CA 908072020
(562) 427-3897
fax (562) 309-9998

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
February 28, 2020
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A74487

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346218625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
801
Distinct HCPCS
9
Medicare allowed
$79,836
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 202 58 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 162 50 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 115 42 $97
90833 Psychotherapy with evaluation and management visit, 30 minutes 106 51 $73
90833 Psychotherapy with evaluation and management visit, 30 minutes 101 52 $64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 38 $137
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 31 17 $52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 26 $182
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $237

In context: peer comparison

Among 10 peers in Long Beach Psychiatry Physician, average services per provider: 97. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
528
Patients
37
Total drug cost
$16,776
Drug Type Claims Patients Total cost
Duloxetine Hcl Generic 92 14 $1,759
Trazodone Hcl Generic 56 12 $863
Mirtazapine Generic 50 11 $750
Bupropion Xl (Bupropion Hcl) Brand 49 0 $1,211
Alprazolam Generic 43 0 $547
Aripiprazole Generic 37 0 $3,517
Escitalopram Oxalate Generic 33 0 $307
Lamotrigine Generic 32 0 $542
Quetiapine Fumarate Generic 32 0 $3,730
Gabapentin Generic 20 0 $200

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariusz Wirga's medical specialty?
Dr. Mariusz Wirga practices Psychiatry Physician in Long Beach, CA.
Where does Dr. Mariusz Wirga practice?
Dr. Mariusz Wirga practices at 4201 Long Beach Blvd, Long Beach, CA 908072020. Office phone: 5624273897.
What is Dr. Mariusz Wirga's NPI?
Dr. Mariusz Wirga's National Provider Identifier (NPI) is 1346218625, issued by NPPES.
Does Dr. Mariusz Wirga accept Medicare assignment?
Yes. Dr. Mariusz Wirga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariusz Wirga commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.