DAWN KIRSTEN MCMAHAN ASW
NPI 1437673894
Counselor in San Francisco, CA

NPI Status: Active since July 27, 2017

Contact Information

890 HAYES ST
SAN FRANCISCO, CA
ZIP 94117
Phone: (415) 762-3700
Fax: (415) 865-0119

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  • Individual
  • Female
  • Counselor

About DAWN MCMAHAN

This page provides the complete NPI Profile along with additional information for Dawn Mcmahan, a provider established in San Francisco, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1437673894 assigned on July 2017. The practitioner's primary taxonomy code is 101Y00000X with license number 77597 (CA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1437673894
Provider Name
DAWN KIRSTEN MCMAHAN ASW
Gender
Female
Entity Type
Individual
Location Address
890 HAYES ST SAN FRANCISCO, CA 94117
Location Phone
(415) 762-3700
Location Fax
(415) 865-0119
Mailing Address
1563 MISSION ST SAN FRANCISCO, CA 94103
Mailing Phone
(415) 762-3700
Mailing Fax
(415) 865-0119
Is Sole Proprietor?
Yes
Enumeration Date
07-27-2017
Last Update Date
09-07-2022
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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
License No.
77597
License State
CA
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.

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)
1172V00000XOther Service Providers

Community Health Worker

77957 (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 1437673894, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 6 → 12 → 3 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 2 + 7 + 6 + 8 + 1 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1437673894.

Other Providers at the Same Location


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

Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Marriage & Family Therapist
890 HAYES ST
SAN FRANCISCO, CA 94117
Social Worker (Clinical)
890 HAYES ST
SAN FRANCISCO, CA 94117
Student in an Organized Health Care Education/Training Program
890 HAYES ST
SAN FRANCISCO, CA 94117
Marriage & Family Therapist
890 HAYES ST
SAN FRANCISCO, CA 94117
Student in an Organized Health Care Education/Training Program
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST, 890HAYES ST.
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Substance Abuse Rehabilitation Facility
890 HAYES ST
SAN FRANCISCO, CA 94117
Student in an Organized Health Care Education/Training Program
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117
Counselor (Addiction (Substance Use Disorder))
890 HAYES ST
SAN FRANCISCO, CA 94117

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437673894, enumerated as an "individual" on July 27, 2017.

The provider is located at 890 HAYES ST SAN FRANCISCO, CA 94117 and the phone number is (415) 762-3700.

Counselor with taxonomy code 101Y00000X.