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WILLIAM CHARLES WIRSHING M.D.
NPI 1265621601
Psychiatry & Neurology - Psychiatry in Los Angeles, CA

Active since October 22, 2007PECOS Enrolled
1920 MARENGO ST, LOS ANGELES, CA 90033(323) 276-6400 Get Directions Write a Review

NPPES record last updated: January 3, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Charles Wirshing M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM CHARLES WIRSHING M.D. (NPI 1265621601) is an individual psychiatry provider in Los Angeles, California, licensed in California (G50986) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1265621601
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameWILLIAM CHARLES WIRSHINGCredential: M.D.
Location Address1920 MARENGO STLos Angeles, CA 90033
Mailing Address1390 El Mirador DrPasadena, CA 91103-2724 · (310) 413-4200
Phone(323) 276-6400
Sole ProprietorYes
Enumeration DateOctober 22, 2007
Last NPPES UpdateJanuary 3, 2019
✔ NPI 1265621601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · G50986
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License G50986 (CA)
1920 MARENGO ST, Los Angeles, CA 90033
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14411 E Kings Canyon RdFresno, CA 93702-3604 · Phone (559) 453-1008
Location 21920 Marengo StLos Angeles, CA 90033 · Phone (323) 276-6400

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Charles Wirshing M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAIGE A HARDIN RNP
Nurse Practitioner
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 223-4462
NED A LINDSAY JR. M.D.
Obstetrics & Gynecology
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 223-4462
ARGENTINA BONILLA
Social Worker
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 221-2591
JUANDELLETTA COMER
Licensed Vocational Nurse
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (844) 221-2276
BEVERLY V CRAWFORD RNP
Nurse Practitioner
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 223-4462
MR. ADRIAN RAUL LOPEZ-MARQUEZ B.A.
Social Worker
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 276-6400
JENNIFER MURPHY
Nurse Practitioner (Psychiatric/Mental Health)
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 276-6400
MARTHA EDITH ARECHIGA
Social Worker (Clinical)
1920 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 276-6470

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Wirshing's NPI number?

The NPI number for William Wirshing is 1265621601. It was assigned to this individual provider in the NPPES registry on October 22, 2007.

Where is William Wirshing located?

William Wirshing practices at 1920 Marengo St, Los Angeles, CA 90033. The listed phone number is (323) 276-6400.

What is William Wirshing's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is William Wirshing enrolled in Medicare?

Yes. William Wirshing is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Wirshing was last updated on January 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.