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WILLIAM ANDREW HAILEY APCC
NPI 1386125268
Counselor in Los Alamitos, CA

Active since August 28, 2018PECOS Enrolled
4281 KATELLA AVE STE 117, LOS ALAMITOS, CA 90720(562) 596-0050 Get Directions Write a Review

NPPES record last updated: November 17, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2023, Feb 4, 2022, Jul 26, 2021 and 4 more (7 updates tracked since 2018).

About William Andrew Hailey Apcc NPPES

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

WILLIAM ANDREW HAILEY APCC (NPI 1386125268) is an individual counselor in Los Alamitos, California, licensed in California (APCC7147) and active in the NPI registry since August 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1386125268
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameWILLIAM ANDREW HAILEYCredential: APCC
Location Address4281 KATELLA AVE STE 117Los Alamitos, CA 90720-3590
Mailing Address4281 Katella Ave Ste 117Los Alamitos, CA 90720-3590 · (562) 596-0050
Phone(562) 596-0050
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 28, 2018
Last NPPES UpdateNovember 17, 20237 updates tracked since enumeration
NPPES CertifiedNovember 17, 2023
✔ NPI 1386125268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in CA · APCC7147
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
4281 KATELLA AVE STE 117, Los Alamitos, CA 90720
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Andrew Hailey Apcc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739675638
PECOS Enrollment IDI20251230002948
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.

Medicare Billing Reassignment

Medicare enrollment records show William Hailey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grow Healthcare Group PC
325 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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

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.

DAVID NIMA DABIRI
Social Worker (Clinical)
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
LEIGH ANTOINETTE SIBOLBORO
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
KATHLEEN ANN KAY
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
PAIGE ALEXANDRA MARKS CADC I
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
VIVIANA RIOS VILLALOBOS
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
MR. DAVID FRANK GONZALES JR. SUDCC III
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
CHANNA CHICCARELLI GUERRA
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
GEORGE ROBERT RAMIREZ
Marriage & Family Therapist
4281 KATELLA AVE STE 117
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050

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 William Hailey's NPI number?

The NPI number for William Hailey is 1386125268. It was assigned to this individual provider in the NPPES registry on August 28, 2018.

Where is William Hailey located?

William Hailey practices at 4281 Katella Ave Ste 117, Los Alamitos, CA 90720. The listed phone number is (562) 596-0050.

What is William Hailey's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is William Hailey enrolled in Medicare?

Yes. William Hailey is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Hailey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Hailey reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, CA). The 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 William Hailey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Hailey was last updated on November 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.