RACHEL FARRELL
NPI 1437392818
Counselor in San Francisco, CA

NPI Status: Active since April 14, 2009

Contact Information

350 PARNASSUS AVE
SUITE 810
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-4066

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  • Individual
  • Female
  • Counselor

About RACHEL FARRELL

This page provides the complete NPI Profile along with additional information for Rachel Farrell, a provider established in San Francisco, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1437392818 assigned on April 2009. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1437392818
Provider Name
RACHEL FARRELL
Gender
Female
Entity Type
Individual
Location Address
350 PARNASSUS AVE SUITE 810 SAN FRANCISCO, CA 94143
Location Phone
(415) 353-4066
Mailing Address
350 PARNASSUS AVE SUITE 810 SAN FRANCISCO, CA 94143
Mailing Phone
(415) 353-4066
Is Sole Proprietor?
No
Enumeration Date
04-14-2009
Last Update Date
04-28-2014
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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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1437392818, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
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 3 → 6 3 → 6 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 6 + 9 + 4 + 8 + 2 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1437392818.

Other Providers at the Same Location


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

Internal Medicine
350 PARNASSUS AVE, #410
SAN FRANCISCO, CA 94143
Surgery
350 PARNASSUS AVE, SUITE 150
SAN FRANCISCO, CA 94143
Internal Medicine (Cardiovascular Disease)
350 PARNASSUS AVE, 3RD FLOOR
SAN FRANCISCO, CA 94143
Pathology (Anatomic Pathology)
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Plastic Surgery
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Plastic Surgery
350 PARNASSUS AVE, SUITE 509
SAN FRANCISCO, CA 94143
Internal Medicine
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Cardiovascular Disease)
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
350 PARNASSUS AVE, #300
SAN FRANCISCO, CA 94143
Internal Medicine
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Practitioner (Family)
350 PARNASSUS AVE, SUITE 607, BOX 0116
SAN FRANCISCO, CA 94143
Pediatrics (Neurodevelopmental Disabilities)
350 PARNASSUS AVE, STE 609
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology)
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology)
350 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
350 PARNASSUS AVE, SUITE 206
SAN FRANCISCO, CA 94143
Clinic/Center
350 PARNASSUS AVE, SUITE 805
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
350 PARNASSUS AVE, SUITE 810
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437392818, enumerated as an "individual" on April 14, 2009.

The provider is located at 350 PARNASSUS AVE SUITE 810 SAN FRANCISCO, CA 94143 and the phone number is (415) 353-4066.

Counselor with taxonomy code 101Y00000X.