1. Home
  2. Directory
  3. California
  4. Pomona
  5. Counselor
  6. NPI Profile

ALLEN ZACHARY ORELLANA CADC II, A050090718
NPI 1942672456
Counselor - Addiction (Substance Use Disorder) in Pomona, CA

Active since October 22, 2015
845 E ARROW HWY, POMONA, CA 91767(909) 399-0980 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 6, 2026, Jul 28, 2020 (2 updates tracked since 2020).

About Allen Zachary Orellana Cadc Ii, A050090718 NPPES

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

ALLEN ZACHARY ORELLANA CADC II, A050090718 (NPI 1942672456) is an individual addiction (substance use disorder) provider in Pomona, California and active in the NPI registry since October 2015.

NPPES Registry Identity

NPI1942672456
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameALLEN ZACHARY ORELLANACredential: CADC II, A050090718
Location Address845 E ARROW HWYPomona, CA 91767-2535
Mailing Address5626 Sexton LnRiverside, CA 92509-6663 · (951) 214-3828
Phone(909) 399-0980
Sole ProprietorYes
Enumeration DateOctober 22, 2015
Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1942672456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
845 E ARROW HWY, Pomona, CA 91767
Open in Google Maps ↗

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.

ANGELA ROBIN ARAKELIAN
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
ARKEGSHA MONIQUE MCCLAIN
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
LUPE ZERMENO CAADE II
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (626) 258-0300
MS. JOYCELIN KINTE PROTHRO MSW
Counselor (Mental Health)
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
MS. SARAH FAYLEEN REAVES RADT
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 626-4244
MISS SUMMER YVONNE GOULD
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
TIGERLILY MAYNARD
Student in an Organized Health Care Education/Training Program
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
KAREN M MCKENZIE
Counselor (Addiction (Substance Use Disorder))
845 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233

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 Allen Orellana's NPI number?

The NPI number for Allen Orellana is 1942672456. It was assigned to this individual provider in the NPPES registry on October 22, 2015.

Where is Allen Orellana located?

Allen Orellana practices at 845 E Arrow Hwy, Pomona, CA 91767. The listed phone number is (909) 399-0980.

What is Allen Orellana's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Allen Orellana was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.