MRS. ELIZABETH SPENCER CALLAWAY LPC LMFT LCDC SPMA
NPI 1639288384
Counselor - Professional in San Antonio, TX

NPI Status: Active since August 29, 2006

Contact Information

8600 WURZBACH
SUITE 1103
SAN ANTONIO, TX
ZIP 78240
Phone: (210) 822-5971
Fax: (830) 336-4668

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  • Individual
  • Female
  • Counselor
  • Professional

About ELIZABETH CALLAWAY

This page provides the complete NPI Profile along with additional information for Elizabeth Callaway, 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 1639288384 assigned on August 2006. The practitioner's primary taxonomy code is 101YP2500X with license number 2906 (TX). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1639288384
Provider Name
MRS. ELIZABETH SPENCER CALLAWAY LPC LMFT LCDC SPMA
Gender
Female
Entity Type
Individual
Location Address
8600 WURZBACH SUITE 1103 SAN ANTONIO, TX 78240
Location Phone
(210) 822-5971
Location Fax
(830) 336-4668
Mailing Address
8600 WURZBACH SUITE 1103 SAN ANTONIO, TX 78240
Mailing Phone
(210) 822-5971
Mailing Fax
(830) 336-4668
Is Sole Proprietor?
No
Enumeration Date
08-29-2006
Last Update Date
09-11-2025
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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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
2906
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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

3206 (TX)
2106H00000XBehavioral Health & Social Service Providers

Marriage & Family Therapist

81 (TX)

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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 1639288384, 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
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 3 → 6 2 → 4 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 4 + 8 + 1 + 6 + 3 + 1 + 6 + 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 1639288384.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639288384, enumerated as an "individual" on August 29, 2006.

The provider is located at 8600 WURZBACH SUITE 1103 SAN ANTONIO, TX 78240 and the phone number is (210) 822-5971.

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