STEPHEN PETERSON MSW
NPI 1518856038
Social Worker in Salinas, CA

NPI Status: Active since June 30, 2025

Contact Information

1441 CONSTITUTION BLVD STE 200
SALINAS, CA
ZIP 93906
Phone: (831) 755-5505
Fax: (831) 755-5505

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  • Individual
  • Male
  • Social Worker

About STEPHEN PETERSON

This page provides the complete NPI Profile along with additional information for Stephen Peterson, a provider established in Salinas, California with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1518856038 assigned on June 2025. The practitioner's primary taxonomy code is 104100000X with license number 150.106225 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1518856038
Provider Name
STEPHEN PETERSON MSW
Gender
Male
Entity Type
Individual
Location Address
1441 CONSTITUTION BLVD STE 200 SALINAS, CA 93906
Location Phone
(831) 755-5505
Location Fax
(831) 755-5505
Mailing Address
1441 CONSTITUTION BLVD STE 200 SALINAS, CA 93906
Mailing Phone
(831) 755-5505
Is Sole Proprietor?
No
Enumeration Date
06-30-2025
Last Update Date
07-01-2025
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A social worker like Stephen Peterson helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
150.106225
License State
IL
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1518856038, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 1 → 2 8 → 16 → 7 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 1 + 6 + 5 + 1 + 2 + 0 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1518856038.

Other Providers at the Same Location


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

Orthopaedic Surgery (Sports Medicine)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Orthopaedic Surgery (Sports Medicine)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Physician Assistant
1441 CONSTITUTION BLVD STE 200, FLOOR ONE, SUITE 101
SALINAS, CA 93906
Social Worker (Clinical)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker (Clinical)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Licensed Vocational Nurse
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Family Medicine
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Psychiatry & Neurology (Psychiatry)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker (Clinical)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Rehabilitation Practitioner
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Counselor (Mental Health)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Health Educator
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Behavior Analyst
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Community Health Worker
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Peer Specialist
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Counselor
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker (Clinical)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906
Social Worker (Clinical)
1441 CONSTITUTION BLVD STE 200
SALINAS, CA 93906

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518856038, enumerated as an "individual" on June 30, 2025.

The provider is located at 1441 CONSTITUTION BLVD STE 200 SALINAS, CA 93906 and the phone number is (831) 755-5505.

Social Worker with taxonomy code 104100000X.