DR. SARAH KAITLYN MONTGOMERY
NPI 1083584817
Nurse Practitioner - Family in Austin, TX

NPI Status: Active since November 06, 2025

Contact Information

3801 N LAMAR BLVD
AUSTIN, TX
ZIP 78756
Phone: (512) 407-8258

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About SARAH MONTGOMERY

This page provides the complete NPI Profile along with additional information for Sarah Montgomery, a provider established in Austin, Texas with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1083584817 assigned on November 2025. The practitioner's primary taxonomy code is 363LF0000X with license number 1215022 (TX). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1083584817
Provider Name
DR. SARAH KAITLYN MONTGOMERY
Gender
Female
Entity Type
Individual
Location Address
3801 N LAMAR BLVD AUSTIN, TX 78756
Location Phone
(512) 407-8258
Mailing Address
3801 N LAMAR BLVD AUSTIN, TX 78756
Is Sole Proprietor?
Yes
Enumeration Date
11-06-2025
Last Update Date
11-06-2025
Code Navigator

A nurse practitioner (NP) like Sarah Montgomery is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
1215022
License State
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 1083584817, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
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 8 → 16 → 7 5 → 10 → 1 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 0 + 8 + 8 + 8 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1083584817.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
3801 N LAMAR BLVD, STE 300, AUSTIN HEART PA
AUSTIN, TX 78756
Physician Assistant
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Clinical Nurse Specialist (Adult Health)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Nurse Practitioner (Family)
3801 N LAMAR BLVD, STE 300
AUSTIN, TX 78756
Physician Assistant (Medical)
3801 N LAMAR BLVD, STE 300 AUSTIN HEART
AUSTIN, TX 78756
Anesthesiology
3801 N LAMAR BLVD
AUSTIN, TX 78756
Nurse Practitioner (Family)
3801 N LAMAR BLVD, STE 300
AUSTIN, TX 78756
Clinical Nurse Specialist (Adult Health)
3801 N LAMAR BLVD, STE 300
AUSTIN, TX 78756
Nurse Practitioner (Family)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Nurse Practitioner (Family)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Clinical Nurse Specialist (Adult Health)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Internal Medicine (Interventional Cardiology)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Nurse Practitioner
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Clinical Nurse Specialist (Adult Health)
3801 N LAMAR BLVD, SUITE 300
AUSTIN, TX 78756
Nurse Practitioner (Acute Care)
3801 N LAMAR BLVD
AUSTIN, TX 78756
Anesthesiology
3801 N LAMAR BLVD
AUSTIN, TX 78756
Internal Medicine
3801 N LAMAR BLVD
AUSTIN, TX 78756
Radiology (Diagnostic Radiology)
3801 N LAMAR BLVD
AUSTIN, TX 78756
Nurse Practitioner (Acute Care)
3801 N LAMAR BLVD
AUSTIN, TX 78756
Internal Medicine (Interventional Cardiology)
3801 N LAMAR BLVD, STE 300
AUSTIN, TX 78756

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083584817, enumerated as an "individual" on November 06, 2025.

The provider is located at 3801 N LAMAR BLVD AUSTIN, TX 78756 and the phone number is (512) 407-8258.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.