1. Home
  2. Directory
  3. California
  4. Chino
  5. Clinic Center
  6. NPI Profile

GARY W STABLEIN MD MBA INC
NPI 1689406092
Clinic/Center - Adult Mental Health in Chino, CA

Active since August 14, 2024
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: November 01, 2026.

Record update history: Jul 28, 2026, Aug 14, 2024 (2 updates tracked since 2024).

About Gary W Stablein Md Mba Inc NPPES

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

GARY W STABLEIN MD MBA INC (NPI 1689406092) is a healthcare organization registered as an adult mental health in Chino, California and active in the NPI registry since August 2024. The organization maintains a secondary practice location in Costa Mesa and lists Gary Williams Stablein, Psychiatrist, as its authorized official.

NPPES Registry Identity

NPI1689406092
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameGARY W STABLEIN MD MBA INC
Location Address11800 CENTRAL AVE STE 121Chino, CA 91710-7231
Mailing Address3151 Airway Ave Ste RCosta Mesa, CA 92626-4627
Phone(949) 889-2971
Organization SubpartNo
Authorized OfficialGary Williams StableinPsychiatrist · (949) 889-2971
Enumeration DateAugust 14, 2024
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1689406092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
11800 CENTRAL AVE STE 121, Chino, CA 91710
Open in Google Maps ↗

Secondary Practice Location 1

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gary W Stablein Md Mba Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gary W Stablein MD Mba Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Gary Stablein, M.D., M.B.A.
Psychiatry
NPI 1477089068
11800 CENTRAL AVE STE 121
Chino, CA 91710
(949) 889-2971
✔ PECOS✔ Accepts MedicareSame address
Osmond Waheed, D.O.
Psychiatry
NPI 1417303207
5353 G ST
Chino, CA 91710
(909) 590-3700
✔ PECOS✔ Accepts Medicare1.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 W Stablein MD Mba Inc's NPI number?

The NPI number for Gary W Stablein MD Mba Inc is 1689406092. It was assigned to this organization in the NPPES registry on August 14, 2024.

Where is Gary W Stablein MD Mba Inc located?

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

What is Gary W Stablein MD Mba Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

Is Gary W Stablein MD Mba Inc enrolled in Medicare?

Yes. Gary W Stablein MD Mba Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gary W Stablein MD Mba Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Psychiatry, reassign their Medicare billing to Gary W Stablein MD Mba Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gary W Stablein MD Mba Inc 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 3 months 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.