DERRICK MARTIN JR.
NPI 1831799972
Rehabilitation Counselor in South San Francisco, CA

NPI Status: Active since October 28, 2020

Contact Information

306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA
ZIP 94080
Phone: (650) 589-9305
Fax: (650) 589-9330

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  • Individual
  • Male
  • Rehabilitation Counselor

About DERRICK MARTIN

This page provides the complete NPI Profile along with additional information for Derrick Martin, a provider established in South San Francisco, California with a medical specialization in Rehabilitation Counselor. The healthcare provider is registered in the NPI registry with number 1831799972 assigned on October 2020. The practitioner's primary taxonomy code is 225C00000X. The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1831799972
Provider Name
DERRICK MARTIN JR.
Gender
Male
Entity Type
Individual
Location Address
306 SPRUCE AVE SOUTH SAN FRANCISCO, CA 94080
Location Phone
(650) 589-9305
Location Fax
(650) 589-9330
Mailing Address
306 SPRUCE AVE SOUTH SAN FRANCISCO, CA 94080
Mailing Phone
(650) 589-9305
Mailing Fax
(650) 589-9330
Is Sole Proprietor?
No
Enumeration Date
10-28-2020
Last Update Date
10-28-2020
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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 Counselor

Taxonomy Code
225C00000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
An individual trained and educated in a systematic process of assisting persons with physical, mental, developmental, cognitive, and emotional disabilities to achieve their personal, career, and independent living goals assessment and appraisal, diagnosis and treatment planning, career (vocational) counseling, individual and group counseling interventions for adjustments to the medical and psychosocial impact of disability, case management, program evaluation and research, job analysis and placement counseling, and consultation on rehabilitation resources and technology. Certification generally requires a Master's degree with specialized courses in rehabilitation processes and technology.

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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 1831799972, 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 7 → 14 → 5 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 4 + 9 + 1 + 8 + 9 + 1 + 4 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1831799972.

Other Providers at the Same Location


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

Clinic/Center (Multi-Specialty)
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Marriage & Family Therapist
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE, FIRST FLOOR
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Community/Behavioral Health
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Community/Behavioral Health
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Case Manager/Care Coordinator
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080
Pediatrics
306 SPRUCE AVE, SOUTH SAN FRANCISCO CLINIC-2ND FLOOR
SOUTH SAN FRANCISCO, CA 94080
Counselor (Addiction (Substance Use Disorder))
306 SPRUCE AVE
SOUTH SAN FRANCISCO, CA 94080

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831799972, enumerated as an "individual" on October 28, 2020.

The provider is located at 306 SPRUCE AVE SOUTH SAN FRANCISCO, CA 94080 and the phone number is (650) 589-9305.

Rehabilitation Counselor with taxonomy code 225C00000X.