1. Home
  2. Directory
  3. Arizona
  4. Peoria
  5. Counselor
  6. NPI Profile

KENNETH MARTIN LITWAK II CADC
NPI 1831783588
Counselor - Addiction (Substance Use Disorder) in Peoria, AZ

Active since February 23, 2021
16165 N 83RD AVE STE 200, PEORIA, AZ 85382(480) 971-4935 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 17, 2026, Feb 23, 2021 (2 updates tracked since 2021).

About Kenneth Martin Litwak Ii Cadc NPPES

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

KENNETH MARTIN LITWAK II CADC (NPI 1831783588) is an individual addiction (substance use disorder) provider in Peoria, Arizona, licensed in Arizona (LIAC-155316) and active in the NPI registry since February 2021.

NPPES Registry Identity

NPI1831783588
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameKENNETH MARTIN LITWAK IICredential: CADC
Location Address16165 N 83RD AVE STE 200Peoria, AZ 85382-5816
Mailing Address16165 N 83rd Ave Ste 200Peoria, AZ 85382-5816 · (480) 971-4935
Phone(480) 971-4935
Sole ProprietorNo
Enumeration DateFebruary 23, 2021
Last NPPES UpdateApril 17, 20262 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
✔ NPI 1831783588 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
Licenses✔ Licensed in AZ · LIAC-155316✔ Licensed in NJ · 37LC00329900
16165 N 83RD AVE STE 200, Peoria, AZ 85382
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Other Providers at the Same Location NPPES 17

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

LISA SOTO LAC
Counselor (Professional)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (602) 284-4421
L2E PHYSICAL THERAPY, PLLC
Clinic/Center (Physical Therapy)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (573) 631-9953
KENNETH BECKER FNP-BC
Nurse Practitioner (Family)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (480) 974-1912
LOLADE OGUNLEYE NURSE PRACTITIONER
Nurse Practitioner (Psychiatric/Mental Health)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (919) 307-2114
VITALITY MED LLC
Internal Medicine
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (305) 987-4479
REATHER BIAS
Homemaker
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (480) 841-5022
CANA PSYCHIATRIC HEALTH
Nurse Practitioner (Psychiatric/Mental Health)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (919) 415-1212
EVETTE MEI
Social Worker (Clinical)
16165 N 83RD AVE STE 200
PEORIA, AZ 85382
Maricopa County (602) 284-4421

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 Kenneth Litwak's NPI number?

The NPI number for Kenneth Litwak is 1831783588. It was assigned to this individual provider in the NPPES registry on February 23, 2021.

Where is Kenneth Litwak located?

Kenneth Litwak practices at 16165 N 83rd Ave Ste 200, Peoria, AZ 85382. The listed phone number is (480) 971-4935.

What is Kenneth Litwak's specialty?

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

What insurance does Kenneth Litwak accept?

Health plans from UnitedHealthcare list Kenneth Litwak 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 Kenneth Litwak was last updated on April 17, 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.