LOUISA STONE MSW, LCSW
NPI 1053566984
Specialist in San Francisco, CA

NPI Status: Active since November 19, 2008

Contact Information

1122 CLEMENT ST
SAN FRANCISCO, CA
ZIP 94118
Phone: (415) 505-0564

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  • Individual
  • Female
  • Specialist

About LOUISA STONE

This page provides the complete NPI Profile along with additional information for Louisa Stone, a provider established in San Francisco, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1053566984 assigned on November 2008. The practitioner's primary taxonomy code is 174400000X with license number LCS17334 (CA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1053566984
Provider Name
LOUISA STONE MSW, LCSW
Gender
Female
Entity Type
Individual
Location Address
1122 CLEMENT ST SAN FRANCISCO, CA 94118
Location Phone
(415) 505-0564
Mailing Address
1122 CLEMENT ST. SAN FRANCISCO, CA 94118
Mailing Phone
(415) 505-0564
Is Sole Proprietor?
Yes
Enumeration Date
11-19-2008
Last Update Date
11-19-2008
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
LCS17334
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1053566984, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 0 + 6 + 1 + 2 + 9 + 1 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1053566984.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Marriage & Family Therapist
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Marriage & Family Therapist
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Marriage & Family Therapist
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Marriage & Family Therapist
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Social Worker (Clinical)
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Counselor (Mental Health)
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Counselor (Mental Health)
1122 CLEMENT ST
SAN FRANCISCO, CA 94118
Marriage & Family Therapist
1122 CLEMENT ST
SAN FRANCISCO, CA 94118

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053566984, enumerated as an "individual" on November 19, 2008.

The provider is located at 1122 CLEMENT ST SAN FRANCISCO, CA 94118 and the phone number is (415) 505-0564.

Specialist with taxonomy code 174400000X.