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

TUCSON NEUROPSYCHOLOGY INSTITUTE LLC
NPI 1134835382
Psychologist in Tucson, AZ

Active since January 30, 2023
205 W GIACONDA WAY STE 135, TUCSON, AZ 85704(520) 954-9930(520) 342-0136 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 5, 2026, Jul 28, 2023, Feb 21, 2023 and 1 more (4 updates tracked since 2023).

About Tucson Neuropsychology Institute Llc NPPES

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

TUCSON NEUROPSYCHOLOGY INSTITUTE LLC (NPI 1134835382) is a healthcare organization registered as a psychologist in Tucson, Arizona and active in the NPI registry since January 2023. The organization maintains a secondary practice location in Tucson and lists Karin Ruth Ahlstrand, Neuropsychologist/co-owner, as its authorized official.

NPPES Registry Identity

NPI1134835382
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameTUCSON NEUROPSYCHOLOGY INSTITUTE LLC
Location Address205 W GIACONDA WAY STE 135Tucson, AZ 85704-4350
Mailing Address205 W Giaconda Way Ste 135Tucson, AZ 85704-4350 · (520) 954-9930 · Fax (520) 342-0136
Fax(520) 342-0136
Organization SubpartNo
Authorized OfficialKarin Ruth AhlstrandNeuropsychologist/co-owner · (520) 954-9930
Enumeration DateJanuary 30, 2023
Last NPPES UpdateOctober 5, 20264 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1134835382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
205 W GIACONDA WAY STE 135, Tucson, AZ 85704

Secondary Practice Location 1

Location 15501 N Swan Rd Ste 100Tucson, AZ 85718-5445 · Phone (520) 954-9930 · Fax (520) 342-0136

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tucson Neuropsychology Institute Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Tucson Neuropsychology Institute LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Clinical Psychologist
NPI 1679754519
205 W GIACONDA WAY STE 135
Tucson, AZ 85704
(520) 954-9930
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1386114064
205 W GIACONDA WAY STE 135
Tucson, AZ 85704
(520) 954-9930
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1801842695
205 W GIACONDA WAY STE 135
Tucson, AZ 85704
(520) 954-9930
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1720916588
205 W GIACONDA WAY STE 135
Tucson, AZ 85704
(520) 954-9930
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1154321925
5501 N SWAN RD STE 100
Tucson, AZ 85718
(520) 954-9930
✔ PECOS✔ Accepts Medicare5.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Tucson Neuropsychology Institute LLC's NPI number?

The NPI number for Tucson Neuropsychology Institute LLC is 1134835382. It was assigned to this organization in the NPPES registry on January 30, 2023.

Where is Tucson Neuropsychology Institute LLC located?

Tucson Neuropsychology Institute LLC is located at 205 W Giaconda Way Ste 135, Tucson, AZ 85704. The listed phone number is (520) 954-9930.

What is Tucson Neuropsychology Institute LLC's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Tucson Neuropsychology Institute LLC enrolled in Medicare?

Yes. Tucson Neuropsychology Institute LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tucson Neuropsychology Institute LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Clinical Psychologist, reassign their Medicare billing to Tucson Neuropsychology Institute LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Tucson Neuropsychology Institute LLC was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.