1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Clinical Neuropsychologist
  6. NPI Profile

DR. ALYSSA WEAKLEY PHD
NPI 1922618917
Clinical Neuropsychologist in Sacramento, CA

Active since August 04, 2020PECOS EnrolledAccepts Medicare Assignment
UC DAVIS MIDTOWN NEUROLOGY CLINIC, 3160 FOLSOM BLVD, SACRAMENTO, CA 95816(916) 734-3588 Get Directions Write a Review

NPPES record last updated: September 1, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 1, 2020, Aug 4, 2020 (2 updates tracked since 2020).

About Dr. Alyssa Weakley Phd NPPES

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

DR. ALYSSA WEAKLEY PHD (NPI 1922618917) is an individual clinical neuropsychologist in Sacramento, California and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1922618917
Entity TypeIndividualFemale
Primary Taxonomy103G00000X
Provider Legal NameDR. ALYSSA WEAKLEYCredential: PHD
Location AddressUC DAVIS MIDTOWN NEUROLOGY CLINIC, 3160 FOLSOM BLVDSacramento, CA 95816
Mailing Address4860 Y St Ste 3700Sacramento, CA 95817-2307
Phone(916) 734-3588
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 4, 2020
Last NPPES UpdateSeptember 1, 20202 updates tracked since enumeration
NPPES CertifiedAugust 31, 2020
✔ NPI 1922618917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
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.
UC DAVIS MIDTOWN NEUROLOGY CLINIC, Sacramento, CA 95816
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alyssa Weakley Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870913445
PECOS Enrollment IDI20201020002711
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 Reassignments

2

Medicare enrollment records show Alyssa Weakley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The Univ Of Ca
Same address
Dermatopathology
3301 C ST STE 1413
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1043208945 (916) 734-6373
Regents Of The University Of Ca
Same address
Multi-Specialty
3301 C ST
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The University Of California
  • 918 clinicians in this Medicare group
NPI 1891775441 (916) 734-2858

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 5

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.

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.
50 services15 patients
Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
31 services14 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.
17 services16 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
15 services15 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
15 services15 patients

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 Alyssa Weakley's NPI number?

The NPI number for Alyssa Weakley is 1922618917. It was assigned to this individual provider in the NPPES registry on August 4, 2020.

Where is Alyssa Weakley located?

Alyssa Weakley practices at Uc Davis Midtown Neurology Clinic 3160 Folsom Blvd, Sacramento, CA 95816. The listed phone number is (916) 734-3588.

What is Alyssa Weakley's specialty?

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

Is Alyssa Weakley enrolled in Medicare?

Yes. Alyssa Weakley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Alyssa Weakley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Weakley reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Sacramento, CA) and Regents Of The University Of Ca (Sacramento, CA). Each 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 Alyssa Weakley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alyssa Weakley was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.