DR. LAWRENCE L CHOY M.D. - NPI 1134316326 - Psychiatry & Neurology in Los Altos, CA

Q: What is the provider's specialty?

The provider's specialty is Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

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About Dr. Lawrence L Choy M.d. NPPES

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

DR. LAWRENCE L CHOY M.D. (NPI 1134316326) is an individual psychiatry provider in Los Altos, California, licensed in California (N/A) and active in the NPI registry since October 2007. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1134316326

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. LAWRENCE L CHOYCredential: M.D.

Location Address881 FREMONT AVE STE A5Los Altos, CA 94024-5637

Mailing Address881 Fremont Ave Ste A5Los Altos, CA 94024-5637 · (650) 209-5615 · Fax (650) 209-5955

Phone(650) 209-5615

Fax(650) 209-5955

Sole ProprietorYes

Enumeration DateOctober 1, 2007

Last NPPES UpdateMay 11, 20262 updates tracked since enumeration

NPPES CertifiedMay 11, 2026

✔ NPI 1134316326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · N/A

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.

881 FREMONT AVE STE A5, Los Altos, CA 94024

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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

Dr. Lawrence L Choy M.d. 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 April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025

Opt-Out In Effect ThroughApril 1, 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94024 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

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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 5

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

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