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

ROOT CAUSE FUNCTIONAL MEDICINE, PLLC
NPI 1780510297
Internal Medicine in Austin, TX

Active since June 22, 2026
1800 E 4TH ST UNIT 101, AUSTIN, TX 78702(470) 924-2915 Get Directions Write a Review

NPPES record added: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Root Cause Functional Medicine, Pllc NPPES

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

ROOT CAUSE FUNCTIONAL MEDICINE, PLLC (NPI 1780510297) is a healthcare organization registered as an internal medicine in Austin, Texas and active in the NPI registry since June 2026. The organization lists Robert Hickey, Chief Administrative Officer, as its authorized official.

NPPES Registry Identity

NPI1780510297
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameROOT CAUSE FUNCTIONAL MEDICINE, PLLC
Location Address1800 E 4TH ST UNIT 101Austin, TX 78702-4448
Mailing Address1800 E 4th St Unit 101Austin, TX 78702-4448
Phone(470) 924-2915
Organization SubpartNo
Authorized OfficialRobert HickeyChief Administrative Officer · (717) 729-6208
Enumeration DateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1780510297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X
1800 E 4TH ST UNIT 101, Austin, TX 78702
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Root Cause Functional Medicine, PLLC's NPI number?

The NPI number for Root Cause Functional Medicine, PLLC is 1780510297. It was assigned to this organization in the NPPES registry on June 22, 2026.

Where is Root Cause Functional Medicine, PLLC located?

Root Cause Functional Medicine, PLLC is located at 1800 E 4th St Unit 101, Austin, TX 78702. The listed phone number is (470) 924-2915.

What is Root Cause Functional Medicine, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Root Cause Functional Medicine, PLLC was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.