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DR. MARTHA E DUFFER PSY.D.
NPI 1396920807
Psychologist - Clinical in Austin, TX

Active since January 02, 2008
504 W 17TH ST, AUSTIN, TX 78701(512) 476-5683 Get Directions Write a Review

NPPES record last updated: January 2, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Martha E Duffer Psy.d. NPPES

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

DR. MARTHA E DUFFER PSY.D. (NPI 1396920807) is an individual clinical provider in Austin, Texas, licensed in Texas (25374) and active in the NPI registry since January 2008.

NPPES Registry Identity

NPI1396920807
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARTHA E DUFFERCredential: PSY.D.
Location Address504 W 17TH STAustin, TX 78701-1203
Mailing Address504 W 17th StAustin, TX 78701-1203 · (512) 476-5683
Phone(512) 476-5683
Sole ProprietorYes
Enumeration DateJanuary 2, 2008
✔ NPI 1396920807 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 TX · 25374
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.
504 W 17TH ST, Austin, TX 78701
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Other Providers at the Same Location NPPES 3

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

DR. WYNETTE WORD BARTON L.P.C. DIPLOMATE
Psychoanalyst
504 W 17TH ST
AUSTIN, TX 78701
Travis County (512) 747-8857
MR. TOM N BOLLS LPC
Counselor (Professional)
504 W 17TH ST, SUITE 4
AUSTIN, TX 78701
Travis County (512) 468-7832
MS. JAN CARLSON L.P.C.
Counselor (Mental Health)
504 W 17TH ST
AUSTIN, TX 78701
Travis County (512) 306-1488

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 Martha Duffer's NPI number?

The NPI number for Martha Duffer is 1396920807. It was assigned to this individual provider in the NPPES registry on January 2, 2008.

Where is Martha Duffer located?

Martha Duffer practices at 504 W 17th St, Austin, TX 78701. The listed phone number is (512) 476-5683.

What is Martha Duffer'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 Martha Duffer was last updated on January 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.