Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CARA HAGER DDS
NPI 1255032827
Dentist - Pediatric Dentistry in San Antonio, TX

Active since March 13, 2023
6756 POSS RD, SAN ANTONIO, TX 78238(210) 244-7280 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 20, 2025, Mar 13, 2023 (2 updates tracked since 2023).

  • Individual
  • Female
  • Dentist
  • Pediatric Dentistry

About CARA HAGER

This page provides the complete NPI Profile along with additional information for Cara Hager, a provider established in San Antonio, Texas with a medical specialization in Dentist, focusing in pediatric dentistry . The healthcare provider is registered in the NPI registry with number 1255032827 assigned on March 2023. The practitioner's primary taxonomy code is 1223P0221X with license number 41271 (TX). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1255032827
Provider Name
CARA HAGER DDS
Gender
Female
Entity Type
Individual
Location Address
6756 POSS RD SAN ANTONIO, TX 78238
Location Phone
(210) 244-7280
Mailing Address
6756 POSS RD SAN ANTONIO, TX 78238
Mailing Phone
(210) 244-7280
Is Sole Proprietor?
No
Enumeration Date
03-13-2023
Last Update Date
07-01-2026
Code Navigator

A dentist like Cara Hager is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Pediatric Dentistry

Taxonomy Code
1223P0221X
Type
Dental Providers
License No.
41271
License State
TX
Taxonomy Description
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.

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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 1255032827, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 0 → 0 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 0 + 3 + 4 + 8 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1255032827.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dentist (Pediatric Dentistry)
6756 POSS RD
SAN ANTONIO, TX 78238
Dentist (Pediatric Dentistry)
6756 POSS RD
SAN ANTONIO, TX 78238
Dentist (Pediatric Dentistry)
6756 POSS RD
SAN ANTONIO, TX 78238
Dentist (Pediatric Dentistry)
6756 POSS RD
SAN ANTONIO, TX 78238
Dentist (Pediatric Dentistry)
6756 POSS RD
SAN ANTONIO, TX 78238

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255032827, enumerated as an "individual" on March 13, 2023.

The provider is located at 6756 POSS RD SAN ANTONIO, TX 78238 and the phone number is (210) 244-7280.

Dentist with taxonomy code 1223P0221X and a focus in Pediatric Dentistry.