THOMAS WILLIAMS LPCC
NPI 1740638121
Counselor - Professional in San Francisco, CA

NPI Status: Active since May 26, 2016

Contact Information

1380 HOWARD ST
SAN FRANCISCO, CA
ZIP 94103
Phone: (913) 231-4236

Get Directions Write a Review

  • Individual
  • Male
  • Counselor
  • Professional

About THOMAS WILLIAMS

This page provides the complete NPI Profile along with additional information for Thomas Williams, a provider established in San Francisco, California with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1740638121 assigned on May 2016. The practitioner's primary taxonomy code is 101YP2500X with license number 5791 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1740638121
Provider Name
THOMAS WILLIAMS LPCC
Gender
Male
Entity Type
Individual
Location Address
1380 HOWARD ST SAN FRANCISCO, CA 94103
Location Phone
(913) 231-4236
Mailing Address
1380 HOWARD ST # 525C SAN FRANCISCO, CA 94103
Is Sole Proprietor?
No
Enumeration Date
05-26-2016
Last Update Date
01-07-2022
Code Navigator

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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
5791
License State
CA

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)
1101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

 

Reviews for THOMAS WILLIAMS LPCC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1740638121, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 4 → 8 6 → 12 → 3 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 1 + 2 + 3 + 1 + 6 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1740638121.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Pharmacist (Psychiatric)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Psychologist (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Pharmacist
1380 HOWARD ST, 2ND FLOOR
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, COPC
SAN FRANCISCO, CA 94103
Registered Nurse
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Psychiatry & Neurology (Psychiatry)
1380 HOWARD ST, DEPT. OF MENTAL HEALTH
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Pharmacist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103
Psychologist
1380 HOWARD ST
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 4TH FLOOR
SAN FRANCISCO, CA 94103
Specialist
1380 HOWARD ST, 5TH FLOOR
SAN FRANCISCO, CA 94103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740638121, enumerated as an "individual" on May 26, 2016.

The provider is located at 1380 HOWARD ST SAN FRANCISCO, CA 94103 and the phone number is (913) 231-4236.

Counselor with taxonomy code 101YP2500X and a focus in Professional.