DR. CHARLES SELIGMAN III LPC
NPI 1538058433
Counselor - Professional in San Antonio, TX

NPI Status: Active since July 02, 2025

Contact Information

12727 GRUENE PASS
SAN ANTONIO, TX
ZIP 78253
Phone: (202) 938-6088

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  • Individual
  • Male
  • Counselor
  • Professional

About CHARLES SELIGMAN

This page provides the complete NPI Profile along with additional information for Charles Seligman, a provider established in San Antonio, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1538058433 assigned on July 2025. The practitioner's primary taxonomy code is 101YP2500X with license number 70277 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1538058433
Provider Name
DR. CHARLES SELIGMAN III LPC
Gender
Male
Entity Type
Individual
Location Address
12727 GRUENE PASS SAN ANTONIO, TX 78253
Location Phone
(202) 938-6088
Mailing Address
12727 GRUENE PASS SAN ANTONIO, TX 78253
Mailing Phone
(202) 938-6088
Is Sole Proprietor?
Yes
Enumeration Date
07-02-2025
Last Update Date
07-02-2025
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Location Map

Secondary Locations

  • 19804 High Bluff Rd
    Helotes, TX 78023
    (202) 938-6088

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.
70277
License State
TX

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)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

70277 (TX)
2101Y00000XBehavioral Health & Social Service Providers

Counselor

0021551 (CO)
3101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

70277 (TX)
4101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

0021551 (CO)
5101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

0021551 (CO)

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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 1538058433, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 0 + 5 + 1 + 6 + 4 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1538058433.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538058433, enumerated as an "individual" on July 02, 2025.

The provider is located at 12727 GRUENE PASS SAN ANTONIO, TX 78253 and the phone number is (202) 938-6088.

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