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

FERNANDO DAVID GUERRERO MONTIEL
NPI 1225512544
Counselor - Addiction (Substance Use Disorder) in Long Beach, CA

Active since September 21, 2018
3939 ATLANTIC AVE STE 102, LONG BEACH, CA 90807(562) 263-4733 Get Directions Write a Review

NPPES record last updated: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 30, 2026, Mar 5, 2020, Sep 21, 2018 (3 updates tracked since 2018).

About Fernando David Guerrero Montiel NPPES

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

FERNANDO DAVID GUERRERO MONTIEL (NPI 1225512544) is an individual addiction (substance use disorder) provider in Long Beach, California and active in the NPI registry since September 2018.

NPPES Registry Identity

NPI1225512544
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameFERNANDO DAVID GUERRERO MONTIEL
Location Address3939 ATLANTIC AVE STE 102Long Beach, CA 90807-3535
Mailing Address3939 Atlantic Ave Ste 102Long Beach, CA 90807-3535 · (562) 263-4733
Phone(562) 263-4733
Sole ProprietorNo
Enumeration DateSeptember 21, 2018
Last NPPES UpdateOctober 30, 20263 updates tracked since enumeration
NPPES CertifiedOctober 30, 2026
✔ NPI 1225512544 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
3939 ATLANTIC AVE STE 102, Long Beach, CA 90807
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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.

ELIEZEL RIVERA
Counselor (Addiction (Substance Use Disorder))
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 263-4733
LORI WAY M.A.
Marriage & Family Therapist
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 249-5731
CHAD T SJULE RAC
Counselor (Addiction (Substance Use Disorder))
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 350-9346
DESIREE ROSAS
Counselor (Addiction (Substance Use Disorder))
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 471-7710
MS. STEPHANIE LYN KOONTZ
Counselor (Addiction (Substance Use Disorder))
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 473-0830
NICHOLAS MAHONEY REBEL AMFT
Marriage & Family Therapist
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 471-7710
DR. DIANA KANG PSYD
Psychologist (Clinical)
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 473-0827
ROOTS ADDICTION & PSYCHIATRY MEDICAL GROUP, PC
Clinic/Center (Adult Mental Health)
3939 ATLANTIC AVE STE 102
LONG BEACH, CA 90807
Los Angeles County (562) 583-9345

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 Fernando Guerrero Montiel's NPI number?

The NPI number for Fernando Guerrero Montiel is 1225512544. It was assigned to this individual provider in the NPPES registry on September 21, 2018.

Where is Fernando Guerrero Montiel located?

Fernando Guerrero Montiel practices at 3939 Atlantic Ave Ste 102, Long Beach, CA 90807. The listed phone number is (562) 263-4733.

What is Fernando Guerrero Montiel'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 Fernando Guerrero Montiel was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.