Mariusz Wirga, MD
Psychiatry Physician · Long Beach, CA
Mariusz Wirga, MD is a psychiatry physician with a practice address in Long Beach, California, and NPI 1346218625, issued on Mar 10, 2006. Check the license (California A74487, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mariusz Wirga
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A74487 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4201 Long Beach Blvd, Long Beach, CA 90807
- Phone
- (562) 427-3897
- Enumerated
- Mar 10, 2006
- Record last updated
- Feb 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (562) 309-9998
- Medicare enrollment
- Enrolled (PECOS I20040524000567); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 4201 Long Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacey Adair, PH.D.Psychologist1316018807
- Barbara Adams, PSY.D.Psychologist1619033370
- Asita AminianMarriage & Family Therapist1598183022
- Rachel Fried, MAMarriage & Family Therapist1871786475
- Rachel Hahm, PSY.D.Clinical Psychologist1346399441
- Vanessa Hurwitz, PH.D.Rehabilitation Practitioner1710001730
Verify Mariusz Wirga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average psychiatry physician in 2024
581 Medicare Part D claims for 63 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Duloxetine Hcl55 claims
- Trazodone Hcl49 claims
- Alprazolam44 claims
- Lamotrigine33 claims
- Escitalopram Oxalate32 claims
- Quetiapine Fumarate29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Aleksandra Wirga, M.D., Inc.Long Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariusz Wirga among 8,673 psychiatry physician records in California
Mariusz Wirga, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1987 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Long Beach → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kamal Bijanpour, M.D.Long Beach, CA 908071598903858
- Laja Ibraheem, MDLong Beach, CA 908071811983232
- Joy Jones, M.D.Long Beach, CA 908071285018507
- Krystal Tran, MDLong Beach, CA 908071245859198
- Charles Acholonu, MDLong Beach, CA 908061649016312
- Rami Alsaqri, DOLong Beach, CA 908061477136570
- Yves-Smith Benjamin, MD, MPHLong Beach, CA 908061710723317
- Marie Chery, MDLong Beach, CA 908061861170169
Common questions
What is Mariusz Wirga, MD's NPI number?
Mariusz Wirga, MD's National Provider Identifier (NPI) is 1346218625, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mariusz Wirga, MD located?
The NPPES record lists a practice address at 4201 Long Beach Blvd, Long Beach, CA, 90807. Phone: (562) 427-3897. Providers update this record themselves, so call before visiting.
How can I verify Mariusz Wirga, MD's license?
NPPES lists California license number A74487, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariusz Wirga, MD prescribe under Medicare Part D?
In 2024, Mariusz Wirga, MD had 581 Medicare Part D claims for 63 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.