DR. FRED WILLIAM THEYE PHD
NPI 1679537625
Clinical Neuropsychologist in Stuart, FL

Q: What is Fred Theye's NPI number?

The NPI number for Fred Theye is 1679537625. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Q: What is Fred Theye's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Fred Theye was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since April 14, 2006PECOS Enrolled

0/100

CMS Quality Rating

850 NW FEDERAL HWY STE 210, STUART, FL 34994(877) 721-8989(561) 921-8790 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 15, 2026, Jul 30, 2024 (2 updates tracked since 2024).

On this page

About Dr. Fred William Theye Phd NPPES

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

DR. FRED WILLIAM THEYE PHD (NPI 1679537625) is an individual clinical neuropsychologist in Stuart, Florida, licensed in Florida (PY 6904) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1969).

NPPES Registry Identity

NPI1679537625

Entity TypeIndividualMale

Primary Taxonomy103G00000X

Provider Legal NameDR. FRED WILLIAM THEYECredential: PHD

Location Address850 NW FEDERAL HWY STE 210Stuart, FL 34994-1019

Mailing Address850 Nw Federal Hwy Ste 210Stuart, FL 34994-1019 · (877) 721-8989 · Fax (561) 921-8790

Phone(877) 721-8989

Fax(561) 921-8790

Sole ProprietorNo

Medical School CMSOtherGraduated 1969

Enumeration DateApril 14, 2006

Last NPPES UpdateFebruary 17, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 17, 2026

✔ NPI 1679537625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in FL · PY 6904

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Also ListedPsychologistTaxonomy 103T00000X · License PY6904 (FL)

850 NW FEDERAL HWY STE 210, Stuart, FL 34994

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Secondary Practice Locations 2

Location 11501 Belvedere Rd Ste 500West Palm Beach, FL 33406-1524 · Phone (877) 721-8989 ext. 1 · Fax (561) 921-8790

Location 27711 N Military Trl Ste 144West Palm Beach, FL 33410-6506 · Phone (877) 721-8989 ext. 1 · Fax (561) 921-8790

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Florida Blue (BlueCross BlueShield FL) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Fred William Theye Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264405208

PECOS Enrollment IDI20150129001368

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Fred Theye reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cognicare Neuropsychology Specialists

1.8 mi

Clinical Neuropsychologist

850 NW US HIGHWAY1 STE 210
Stuart, FL 34994

Reassigned Medicare billing, Florida enrollment
2 clinicians in this Medicare group

NPI 1942039219 (772) 485-7331

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes 96139

This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.

1,484 services151 patients

Evaluation of neuropsychological test, each additional hour 96133

This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.

1,033 services163 patients

Evaluation of neuropsychological test, first hour 96132

An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.

198 services166 patients

Administration of psychological or neuropsychological test by technician, first 30 minutes 96138

This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.

172 services152 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

123 services122 patients

Evaluation of psychological test, first hour 96130

This procedure involves a professional assessing your mental health using standardized tests. It's the initial hour of a process that helps understand your emotional well-being and cognitive abilities. It's completely non-invasive and confidential.

115 services115 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES

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

CLAUDIA HRISTOVA PSY.D.

Clinical Neuropsychologist

850 NW FEDERAL HWY STE 210
STUART, FL 34994

Martin County (877) 721-8989

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 Fred Theye's NPI number?

The NPI number for Fred Theye is 1679537625. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Fred Theye located?

Fred Theye practices at 850 NW Federal Hwy Ste 210, Stuart, FL 34994. The listed phone number is (877) 721-8989.

What is Fred Theye's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Fred Theye enrolled in Medicare?

Yes. Fred Theye is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Fred Theye's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fred Theye reassigns Medicare benefits to Cognicare Neuropsychology Specialists (Stuart, FL). The 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 Fred Theye's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Fred Theye accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida and 1 other insurer list Fred Theye 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 Fred Theye was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.