LINDA MARIE MORRISSEY
NPI 1457200537
Social Worker - Clinical in Arcata, CA

NPI Status: Active since January 22, 2026

Contact Information

1 HARPST ST
ARCATA, CA
ZIP 95521
Phone: (707) 826-3236

Get Directions Write a Review

  • Individual
  • Female
  • Social Worker
  • Clinical

About LINDA MORRISSEY

This page provides the complete NPI Profile along with additional information for Linda Morrissey, a provider established in Arcata, California with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1457200537 assigned on January 2026. The practitioner's primary taxonomy code is 1041C0700X with license number 24982 (CA). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1457200537
Provider Name
LINDA MARIE MORRISSEY
Gender
Female
Entity Type
Individual
Location Address
1 HARPST ST ARCATA, CA 95521
Location Phone
(707) 826-3236
Mailing Address
4475 CENTRAL AVE MCKINLEYVILLE, CA 95519
Mailing Phone
(707) 799-1135
Is Sole Proprietor?
No
Enumeration Date
01-22-2026
Last Update Date
01-22-2026
Code Navigator

A clinical social worker like Linda Morrissey is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
24982
License State
CA
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Reviews for LINDA MARIE MORRISSEY

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1457200537, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 2 → 4 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 0 + 7 + 4 + 0 + 0 + 5 + 6 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1457200537.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Clinic/Center (Student Health)
1 HARPST ST, BUILDING 42
ARCATA, CA 95521
Family Medicine
1 HARPST ST, STUDENT HEALTH CENTER, HUMBOLDT STATE UNIVERSITY
ARCATA, CA 95521
Nurse Practitioner (Family)
1 HARPST ST
ARCATA, CA 95521
Pediatrics
1 HARPST ST, HUMBOLDT STATE UNIVERSITY
ARCATA, CA 95521
Clinic/Center (Student Health)
1 HARPST ST, BUILDING 42
ARCATA, CA 95521
Clinic/Center (Student Health)
1 HARPST ST
ARCATA, CA 95521
Clinic/Center (Student Health)
1 HARPST ST
ARCATA, CA 95521
Specialist/Technologist (Athletic Trainer)
1 HARPST ST
ARCATA, CA 95521
Registered Nurse
1 HARPST ST
ARCATA, CA 95521
Registered Nurse
1 HARPST ST
ARCATA, CA 95521
Specialist/Technologist (Athletic Trainer)
1 HARPST ST
ARCATA, CA 95521
Student in an Organized Health Care Education/Training Program
1 HARPST ST
ARCATA, CA 95521
Family Medicine
1 HARPST ST
ARCATA, CA 95521
Nurse Practitioner (Family)
1 HARPST ST
ARCATA, CA 95521
Marriage & Family Therapist
1 HARPST ST
ARCATA, CA 95521
Social Worker (Clinical)
1 HARPST ST
ARCATA, CA 95521
Social Worker
1 HARPST ST
ARCATA, CA 95521
Physician Assistant (Medical)
1 HARPST ST
ARCATA, CA 95521
Marriage & Family Therapist
1 HARPST ST
ARCATA, CA 95521
Student in an Organized Health Care Education/Training Program
1 HARPST ST
ARCATA, CA 95521

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457200537, enumerated as an "individual" on January 22, 2026.

The provider is located at 1 HARPST ST ARCATA, CA 95521 and the phone number is (707) 826-3236.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.