MR. JOHN STEVEN CARLIN JR.
NPI 1932845302
Rehabilitation Practitioner in Riverside, CA

NPI Status: Active since May 09, 2022

Contact Information

9990 COUNTY FARM RD STE 5
RIVERSIDE, CA
ZIP 92503
Phone: (951) 715-5050

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  • Individual
  • Male
  • Rehabilitation Practitioner

About JOHN CARLIN

This page provides the complete NPI Profile along with additional information for John Carlin, a provider established in Riverside, California with a medical specialization in Rehabilitation Practitioner. The healthcare provider is registered in the NPI registry with number 1932845302 assigned on May 2022. The practitioner's primary taxonomy code is 225400000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1932845302
Provider Name
MR. JOHN STEVEN CARLIN JR.
Gender
Male
Entity Type
Individual
Location Address
9990 COUNTY FARM RD STE 5 RIVERSIDE, CA 92503
Location Phone
(951) 715-5050
Mailing Address
9990 COUNTY FARM RD STE 5 RIVERSIDE, CA 92503
Mailing Phone
(951) 715-5050
Is Sole Proprietor?
Yes
Enumeration Date
05-09-2022
Last Update Date
08-20-2025
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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

Rehabilitation Practitioner

Taxonomy Code
225400000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1171M00000XOther Service Providers

Case Manager/Care Coordinator

 
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

(CA)

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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 1932845302, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
9
Unchanged
Pos 3
3
Doubled → 6
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
0
Doubled → 0
Check
2
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 3 → 6 8 → 16 → 7 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 6 + 2 + 1 + 6 + 4 + 1 + 0 + 3 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1932845302.

Other Providers at the Same Location


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

Social Worker (Clinical)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Case Management
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Case Management
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Social Worker
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Social Worker
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Peer Specialist
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Case Manager/Care Coordinator
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Community/Behavioral Health
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Registered Nurse
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Counselor (Mental Health)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Marriage & Family Therapist
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503
Social Worker (Clinical)
9990 COUNTY FARM RD STE 5
RIVERSIDE, CA 92503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1932845302, enumerated as an "individual" on May 09, 2022.

The provider is located at 9990 COUNTY FARM RD STE 5 RIVERSIDE, CA 92503 and the phone number is (951) 715-5050.

Rehabilitation Practitioner with taxonomy code 225400000X.