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SMITH & OBRIEN PSYCHIATRIC GROUP INC
NPI 1124613849
Psychiatry & Neurology - Psychiatry in Los Angeles, CA

Active since March 04, 2021
1127 WILSHIRE BLVD STE 1415, LOS ANGELES, CA 90017(800) 578-1471 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 26, 2026, Jun 13, 2023, Mar 5, 2021 (3 updates tracked since 2021).

About Smith & Obrien Psychiatric Group Inc NPPES

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

SMITH & OBRIEN PSYCHIATRIC GROUP INC (NPI 1124613849), doing business as In-home Psychiatric Services, is a healthcare organization registered as a psychiatry in Los Angeles, California and active in the NPI registry since March 2021. The organization maintains a secondary practice location in Ontario and lists Samuel Penney Smith, Owner, as its authorized official.

NPPES Registry Identity

NPI1124613849
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameSMITH & OBRIEN PSYCHIATRIC GROUP INC
Location Address1127 WILSHIRE BLVD STE 1415Los Angeles, CA 90017-4005
Mailing Address1127 Wilshire Blvd Ste 1415Los Angeles, CA 90017-4005 · (800) 578-1471
Phone(800) 578-1471
Organization SubpartNo
Authorized OfficialSamuel Penney SmithOwner · (310) 864-0377
Enumeration DateMarch 4, 2021
Last NPPES UpdateMay 26, 20263 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1124613849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
1127 WILSHIRE BLVD STE 1415, Los Angeles, CA 90017
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Other Names 1

Doing Business AsIn-home Psychiatric Services

Secondary Practice Location 1

Location 13350 Shelby St Ste 200Ontario, CA 91764-5556 · Phone (800) 578-1471 · Fax (800) 578-1471

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Smith & Obrien Psychiatric Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Smith & Obrien Psychiatric Group Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Samuel Smith, M.D.
Psychiatry
NPI 1295802700
1127 WILSHIRE BLVD STE 1415
Los Angeles, CA 90017
(213) 482-9312
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Smith & Obrien Psychiatric Group Inc's NPI number?

The NPI number for Smith & Obrien Psychiatric Group Inc is 1124613849. It was assigned to this organization in the NPPES registry on March 4, 2021. The provider is doing business as In-Home Psychiatric Services.

Where is Smith & Obrien Psychiatric Group Inc located?

Smith & Obrien Psychiatric Group Inc is located at 1127 Wilshire Blvd Ste 1415, Los Angeles, CA 90017. The listed phone number is (800) 578-1471.

What is Smith & Obrien Psychiatric Group Inc's specialty?

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

Is Smith & Obrien Psychiatric Group Inc enrolled in Medicare?

Yes. Smith & Obrien Psychiatric Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Smith & Obrien Psychiatric Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Smith & Obrien Psychiatric Group Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Smith & Obrien Psychiatric Group Inc was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.