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

DR. GARY WILLIAMS STABLEIN M.D., M.B.A.
NPI 1477089068
Psychiatry & Neurology - Psychiatry in Chino, CA

Active since May 03, 2017PECOS Enrolled
11800 CENTRAL AVE STE 121, CHINO, CA 91710(949) 889-2971 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Jan 23, 2023, Jan 12, 2023 (3 updates tracked since 2023).

About Dr. Gary Williams Stablein M.d., M.b.a. NPPES

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

DR. GARY WILLIAMS STABLEIN M.D., M.B.A. (NPI 1477089068) is an individual psychiatry provider in Chino, California, licensed in California (A171220) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Costa Mesa, and is a graduate of University Of California, Irvine, California College Of Medicine (2016).

NPPES Registry Identity

NPI1477089068
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GARY WILLIAMS STABLEINCredential: M.D., M.B.A.
Location Address11800 CENTRAL AVE STE 121Chino, CA 91710-7231
Mailing Address3151 Airway Ave Ste RCosta Mesa, CA 92626-4627 · (949) 889-2971
Sole ProprietorYes
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2016
Enumeration DateMay 3, 2017
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
NPI 1477089068 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 · A171220
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.
11800 CENTRAL AVE STE 121, Chino, CA 91710

Secondary Practice Location 1

Location 13151 Airway Ave Ste RCosta Mesa, CA 92626-4627 · Phone (949) 889-2971

Accepted Insurance

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

Dr. Gary Williams Stablein M.d., M.b.a. 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 ID4587170238
PECOS Enrollment IDI20250721002076
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 91710 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
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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

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

Clinic/Center (Adult Mental Health)
11800 CENTRAL AVE STE 121
CHINO, CA 91710

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 Gary Stablein's NPI number?

The NPI number for Gary Stablein is 1477089068. It was assigned to this individual provider in the NPPES registry on May 3, 2017.

Where is Gary Stablein located?

Gary Stablein practices at 11800 Central Ave Ste 121, Chino, CA 91710. The listed phone number is (949) 889-2971.

What is Gary Stablein's specialty?

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

Is Gary Stablein enrolled in Medicare?

Yes. Gary Stablein 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.

What insurance does Gary Stablein accept?

Health plans from Providence Health Plan list Gary Stablein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gary Stablein was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.