Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

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

Q: What is William Whitaker's NPI number?

The NPI number for William Whitaker is 1730009267. It was assigned to this individual provider in the NPPES registry on July 16, 2026.

Q: What is William Whitaker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for William Whitaker was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 16, 2026PECOS Enrolled

901 W 38TH ST STE 200, AUSTIN, TX 78705(512) 421-4100(512) 451-3709 Get Directions Write a Review

NPPES record added: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About William Whitaker Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM WHITAKER FNP-C (NPI 1730009267) is an individual family provider in Austin, Texas, licensed in Texas (1241279) and active in the NPI registry since July 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730009267

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameWILLIAM WHITAKERCredential: FNP-C

Location Address901 W 38TH ST STE 200Austin, TX 78705-1165

Mailing Address901 W 38th St Ste 200Austin, TX 78705-1165 · (512) 421-4100 · Fax (512) 451-3709

Phone(512) 421-4100

Fax(512) 451-3709

Sole ProprietorNo

Enumeration DateJuly 16, 2026

NPPES CertifiedJuly 16, 2026

✔ NPI 1730009267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in TX · 1241279

901 W 38TH ST STE 200, Austin, TX 78705

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Whitaker Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.03 typical visit price

range $57.88 – $174.00

Typical copayment $22.25 (range $14.47 – $43.50)

Most-billed visit code 99203

Established Patient

$101.65 typical visit price

range $18.88 – $142.23

Typical copayment $25.41 (range $4.72 – $35.55)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHRISTOPHER OWEN RUUD M.D.

Internal Medicine (Medical Oncology)

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

DR. REBECCA FISHER M.D.

Psychiatry & Neurology (Neurology)

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

MARY JANE BERRY NP-C

Nurse Practitioner (Family)

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

KATHRYN LONG STONE C.N.S

Clinical Nurse Specialist (Adult Health)

901 W 38TH ST STE 200, SOUTHWEST REGIONAL CANCER CENTER
AUSTIN, TX 78705

Travis County (512) 421-4100

DR. MORRIS D. GROVES JR. MD

Psychiatry & Neurology (Neurology)

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

SHUBA SRINIVASAN PA

Physician Assistant

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

DR. ANDREW JACOB BRENNER M.D., PH.D.

Internal Medicine (Medical Oncology)

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

DR. RONALD P WILLIAMS MD

Orthopaedic Surgery

901 W 38TH ST STE 200
AUSTIN, TX 78705

Travis County (512) 421-4100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Whitaker's NPI number?

The NPI number for William Whitaker is 1730009267. It was assigned to this individual provider in the NPPES registry on July 16, 2026.

Where is William Whitaker located?

William Whitaker practices at 901 W 38th St Ste 200, Austin, TX 78705. The listed phone number is (512) 421-4100.

What is William Whitaker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is William Whitaker enrolled in Medicare?

Yes. William Whitaker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Whitaker was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.