ALEC CHANG D.O.
NPI 1013259415
Psychiatry & Neurology - Psychiatry in Greenbrae, CA

Active since March 23, 2013PECOS EnrolledAccepts Medicare Assignment
250 BON AIR RD, GREENBRAE, CA 94904(415) 473-6835 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 12, 2017 (3 updates tracked since 2017).

About Alec Chang D.o. NPPES

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

ALEC CHANG D.O. (NPI 1013259415) is an individual psychiatry provider in Greenbrae, California, licensed in California (20A14880) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Reno, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1013259415
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALEC CHANGCredential: D.O.
Location Address250 BON AIR RDGreenbrae, CA 94904-1702
Mailing Address250 Bon Air RoadGreenbrae, CA 94904 · (415) 473-6835
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 23, 2013
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1013259415 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 · 20A14880
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.

250 BON AIR RD, Greenbrae, CA 94904

Secondary Practice Location 1

Location 1401 W 2nd St, Suite 216Reno, NV 89503-5345 · Phone (775) 682-8469

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alec Chang D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749596997
PECOS Enrollment IDI20161129000590
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 94904 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
$202.63 typical visit price
range $69.07 – $202.63
Typical copayment $50.65 (range $17.26 – $50.65)
Most-billed visit code 99205
Established Patient
$85.00 typical visit price
range $23.44 – $166.64
Typical copayment $21.25 (range $5.86 – $41.66)
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.

Registered Nurse (Psychiatric/Mental Health)
250 BON AIR RD
GREENBRAE, CA 94904
Internal Medicine
250 BON AIR RD, 3RD FLOOR
GREENBRAE, CA 94904
Psychiatry & Neurology (Psychiatry)
250 BON AIR RD
GREENBRAE, CA 94904
Rehabilitation Practitioner
250 BON AIR RD
GREENBRAE, CA 94904
Counselor (Mental Health)
250 BON AIR RD
GREENBRAE, CA 94904
Advanced Practice Midwife
250 BON AIR RD
GREENBRAE, CA 94904
Registered Nurse
250 BON AIR RD
GREENBRAE, CA 94904
Student in an Organized Health Care Education/Training Program
250 BON AIR RD
GREENBRAE, CA 94904

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 Alec Chang's NPI number?

The NPI number for Alec Chang is 1013259415. It was assigned to this individual provider in the NPPES registry on March 23, 2013.

Where is Alec Chang located?

Alec Chang practices at 250 Bon Air Rd, Greenbrae, CA 94904. The listed phone number is (415) 473-6835.

What is Alec Chang's specialty?

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

Is Alec Chang enrolled in Medicare?

Yes. Alec Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alec Chang was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.