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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TIMOTHY JOSEPH HAYES M.D., M.P.H.
NPI 1194722264
Psychiatry & Neurology - Addiction Psychiatry in Santa Monica, CA

Active since July 05, 2005Opted out of Medicare · through Jul 15, 2027
1301 20TH ST, STE 210, SANTA MONICA, CA 90404(310) 315-0303(310) 315-0302 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Timothy Joseph Hayes M.d., M.p.h. NPPES

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

TIMOTHY JOSEPH HAYES M.D., M.P.H. (NPI 1194722264) is an individual addiction psychiatry provider in Santa Monica, California, licensed in California (G36996) and active in the NPI registry since July 2005. He has opted out of Medicare through July 15, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1194722264
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameTIMOTHY JOSEPH HAYESCredential: M.D., M.P.H.
Location Address1301 20TH ST, STE 210Santa Monica, CA 90404-2088
Mailing Address1301 20th St, Ste 210Santa Monica, CA 90404-2088 · (310) 315-0303 · Fax (310) 315-0302
Phone(310) 315-0303
Fax(310) 315-0302
Sole ProprietorNo
Enumeration DateJuly 5, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1194722264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in CA · G36996
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License G36996 (CA)
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License G36996 (CA)
1301 20TH ST, Santa Monica, CA 90404
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Timothy Joseph Hayes M.d., M.p.h. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 15, 2013 through July 15, 2027.

Opt-Out Effective DateJuly 15, 2013
Opt-Out In Effect ThroughJuly 15, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

MICHAEL W CHEN M.D.
Plastic Surgery
1301 20TH ST, SUITE 570
SANTA MONICA, CA 90404
Los Angeles County (310) 315-0171
DR. DANIEL WOHLGELERNTER M.D.
Specialist
1301 20TH ST, SUITE 590
SANTA MONICA, CA 90404
Los Angeles County (310) 315-0101
JAMES L. ANASTASI, M.D., INC.
Clinic/Center (Primary Care)
1301 20TH ST, SUITE 550
SANTA MONICA, CA 90404
Los Angeles County (310) 829-3544
SANTA MONICA ORTHOPAEDIC GROUP
Orthopaedic Surgery (Sports Medicine)
1301 20TH ST, 150
SANTA MONICA, CA 90404
Los Angeles County (310) 829-2663
DR. PARVIZ D. AFSHANI M.D.
Internal Medicine (Gastroenterology)
1301 20TH ST, SUITE 280
SANTA MONICA, CA 90404
Los Angeles County (310) 829-6789
BERNARD GELLER M D ALLERGY & CLINICAL IMMUNOLOGY
Allergy & Immunology
1301 20TH ST, SUITE 220
SANTA MONICA, CA 90404
Los Angeles County (310) 828-8534
JOHN LAWRENCE GARWOOD MD A MEDICAL
Ophthalmology
1301 20TH ST, SUITE 250
SANTA MONICA, CA 90404
Los Angeles County (310) 828-7494
MARK NACHMAN MD
Internal Medicine
1301 20TH ST, STE 290
SANTA MONICA, CA 90404
Los Angeles County (310) 315-0111

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 Timothy Hayes's NPI number?

The NPI number for Timothy Hayes is 1194722264. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is Timothy Hayes located?

Timothy Hayes practices at 1301 20th St Ste 210, Santa Monica, CA 90404. The listed phone number is (310) 315-0303.

What is Timothy Hayes's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Timothy Hayes enrolled in Medicare?

No. Timothy Hayes has opted out of Medicare through July 15, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Timothy Hayes was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.