WILLIAM WHITAKER FNP-C
NPI 1730009267
Nurse Practitioner - Family in Austin, TX

NPI Status: Active since July 16, 2026

Contact Information

901 W 38TH ST STE 200
AUSTIN, TX
ZIP 78705
Phone: (512) 421-4100
Fax: (512) 451-3709

Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Nurse Practitioner
  • Family

About WILLIAM WHITAKER

This page provides the complete NPI Profile along with additional information for William Whitaker, 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 1730009267 assigned on July 2026. The practitioner's primary taxonomy code is 363LF0000X with license number 1241279 (TX). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1730009267
Provider Name
WILLIAM WHITAKER FNP-C
Gender
Male
Entity Type
Individual
Location Address
901 W 38TH ST STE 200 AUSTIN, TX 78705
Location Phone
(512) 421-4100
Location Fax
(512) 451-3709
Mailing Address
901 W 38TH ST STE 200 AUSTIN, TX 78705
Mailing Phone
(512) 421-4100
Mailing Fax
(512) 451-3709
Is Sole Proprietor?
No
Enumeration Date
07-16-2026
Last Update Date
07-16-2026
Code Navigator

A nurse practitioner (NP) like William Whitaker 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.
1241279
License State
TX

Reviews for WILLIAM WHITAKER FNP-C

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 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 1730009267, 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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 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 3 → 6 0 → 0 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 0 + 0 + 1 + 8 + 2 + 1 + 2 + 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 1730009267.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Clinical Nurse Specialist (Adult Health)
901 W 38TH ST STE 200, SOUTHWEST REGIONAL CANCER CENTER
AUSTIN, TX 78705
Psychiatry & Neurology (Neurology)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Orthopaedic Surgery
901 W 38TH ST STE 200
AUSTIN, TX 78705
Internal Medicine (Medical Oncology)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Physician Assistant
901 W 38TH ST STE 200
AUSTIN, TX 78705
Psychiatry & Neurology (Neurology)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Nurse Practitioner (Family)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Internal Medicine (Medical Oncology)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Nurse Practitioner (Family)
901 W 38TH ST STE 200
AUSTIN, TX 78705
Urology
901 W 38TH ST STE 200
AUSTIN, TX 78705
Physician Assistant
901 W 38TH ST STE 200
AUSTIN, TX 78705
Social Worker
901 W 38TH ST STE 200
AUSTIN, TX 78705

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730009267, enumerated as an "individual" on July 16, 2026.

The provider is located at 901 W 38TH ST STE 200 AUSTIN, TX 78705 and the phone number is (512) 421-4100.

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