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DR. DONALD FERGUSON TWEEDIE III
NPI 1952744401
Psychologist - Clinical in Lancaster, CA

Active since April 15, 2013
44750 60TH ST W, LANCASTER, CA 93536(916) 691-0346(916) 691-0534 Get Directions Write a Review

NPPES record last updated: April 15, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Donald Ferguson Tweedie Iii NPPES

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

DR. DONALD FERGUSON TWEEDIE III (NPI 1952744401) is an individual clinical provider in Lancaster, California, licensed in California (PSY8090) and active in the NPI registry since April 2013.

NPPES Registry Identity

NPI1952744401
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DONALD FERGUSON TWEEDIE III
Location Address44750 60TH ST WLancaster, CA 93536-7619
Mailing AddressPo Box 391744Anza, CA 92539-1744 · (760) 297-1032
Phone(916) 691-0346
Fax(916) 691-0534
Sole ProprietorNo
Enumeration DateApril 15, 2013
✔ NPI 1952744401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY8090
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
44750 60TH ST W, Lancaster, CA 93536
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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.

ARMINE GEVORKYAN
Psychologist (Clinical)
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000
GUILLERMO GONZALEZ LOPEZ
Social Worker (Clinical)
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (213) 202-3970
DR. DAVID CHADORCHI PSY.D.
Psychologist
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000
PAK YAN LEUNG A.S.W.
Counselor (Mental Health)
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000
LINA CLOUGH
Student in an Organized Health Care Education/Training Program
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (707) 451-0182
KAJAL SAKHRANI PSYD
Psychologist (Clinical)
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000
DR. FELECIA D. SHEFFIELD PHD
Psychologist (Clinical)
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000
SHELDON J BROOKS D.D.S.
Dentist
44750 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 729-2000

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 Donald Tweedie's NPI number?

The NPI number for Donald Tweedie is 1952744401. It was assigned to this individual provider in the NPPES registry on April 15, 2013.

Where is Donald Tweedie located?

Donald Tweedie practices at 44750 60th St W, Lancaster, CA 93536. The listed phone number is (916) 691-0346.

What is Donald Tweedie's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Donald Tweedie was last updated on April 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.