DR. LAWRENCE L CHOY M.D.
NPI 1134316326
Psychiatry & Neurology - Psychiatry in Los Altos, CA
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
Specialties & Licenses
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.
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.
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.
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.
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
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 Lawrence Choy's NPI number?
The NPI number for Lawrence Choy is 1134316326. It was assigned to this individual provider in the NPPES registry on October 1, 2007.
Where is Lawrence Choy located?
Lawrence Choy practices at 881 Fremont Ave Ste A5, Los Altos, CA 94024. The listed phone number is (650) 209-5615.
What is Lawrence Choy's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Lawrence Choy enrolled in Medicare?
No. Lawrence Choy has opted out of Medicare through April 1, 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 Lawrence Choy was last updated on May 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.