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

ZACHARIAS KNICKERBOCKER
NPI 1417992181
Social Worker - Clinical in Tucson, AZ

Active since June 18, 2006
4901 E 5TH ST, TUCSON, AZ 85711(520) 327-4505(520) 202-1889 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Zacharias Knickerbocker NPPES

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

ZACHARIAS KNICKERBOCKER (NPI 1417992181) is an individual clinical provider in Tucson, Arizona, licensed in Arizona (LCSW - 11466) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1417992181
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameZACHARIAS KNICKERBOCKER
Location Address4901 E 5TH STTucson, AZ 85711-2203
Mailing Address127 S 5th AveTucson, AZ 85701-2005 · (520) 327-4505 · Fax (520) 202-1889
Fax(520) 202-1889
Sole ProprietorNo
Enumeration DateJune 18, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1417992181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in AZ · LCSW - 11466
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4901 E 5TH ST, Tucson, AZ 85711

Other Providers at the Same Location NPPES 9

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

Registered Nurse (Psychiatric/Mental Health)
4901 E 5TH ST
TUCSON, AZ 85711
Registered Nurse
4901 E 5TH ST
TUCSON, AZ 85711
Registered Nurse (Psychiatric/Mental Health, Adult)
4901 E 5TH ST
TUCSON, AZ 85711
Registered Nurse (Psychiatric/Mental Health, Adult)
4901 E 5TH ST
TUCSON, AZ 85711
Counselor (Addiction (Substance Use Disorder))
4901 E 5TH ST
TUCSON, AZ 85711
Clinic/Center (Adult Mental Health)
4901 E 5TH ST
TUCSON, AZ 85711
Nurse Practitioner (Psychiatric/Mental Health)
4901 E 5TH ST, CODAC
TUCSON, AZ 85711
Counselor (Addiction (Substance Use Disorder))
4901 E 5TH ST
TUCSON, AZ 85711

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 Zacharias Knickerbocker's NPI number?

The NPI number for Zacharias Knickerbocker is 1417992181. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Zacharias Knickerbocker located?

Zacharias Knickerbocker practices at 4901 E 5th St, Tucson, AZ 85711. The listed phone number is (520) 327-4505.

What is Zacharias Knickerbocker's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Zacharias Knickerbocker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.