MR. SONNY CARLOS GARRETT-GRAHAM B.S.W.
NPI 1194379727
Rehabilitation Practitioner in San Diego, CA

NPI Status: Active since July 31, 2019

Contact Information

6160 MISSION GORGE RD STE 108
SAN DIEGO, CA
ZIP 92120
Phone: (619) 481-5200

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Group Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Rehabilitation Practitioner

About SONNY GARRETT-GRAHAM

This page provides the complete NPI Profile along with additional information for Sonny Garrett-graham, a provider established in San Diego, California with a medical specialization in Rehabilitation Practitioner. The healthcare provider is registered in the NPI registry with number 1194379727 assigned on July 2019. 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. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI: 1194379727
Provider Name: MR. SONNY CARLOS GARRETT-GRAHAM B.S.W.
Gender: Male
Entity Type: Individual
Location Address: 6160 MISSION GORGE RD STE 108 SAN DIEGO, CA 92120
Location Phone: (619) 481-5200
Mailing Address: 1660 HOTEL CIR N STE 101 SAN DIEGO, CA 92108
Mailing Phone: (619) 481-3840
Is Sole Proprietor?: Yes
Enumeration Date: 07-31-2019
Last Update Date: 03-28-2025
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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: 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
1	104100000X	Behavioral Health & Social Service Providers	Social Worker
2	171M00000X	Other Service Providers	Case Manager/Care Coordinator
3	225800000X	Respiratory, Developmental, Rehabilitative and Restorative Service Providers	Recreation Therapist

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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 1194379727, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 9 → 18 → 9 3 → 6 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 6 + 7 + 1 + 8 + 7 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1194379727.