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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARCUS HOLT HAYNER
NPI 1144958323
Pharmacist - Ambulatory Care in Austin, TX

Active since August 15, 2022
500 W WILLIAM CANNON DR STE 400, AUSTIN, TX 78745(866) 278-8432 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 3, 2026, Jul 26, 2024, Aug 15, 2022 (3 updates tracked since 2022).

About Marcus Holt Hayner NPPES

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

MARCUS HOLT HAYNER (NPI 1144958323) is an individual ambulatory care provider in Austin, Texas, licensed in Colorado (0024529) and active in the NPI registry since August 2022. He maintains a secondary practice location in Austin.

NPPES Registry Identity

NPI1144958323
Entity TypeIndividualMale
Primary Taxonomy1835P2201X
Provider Legal NameMARCUS HOLT HAYNER
Location Address500 W WILLIAM CANNON DR STE 400Austin, TX 78745-5879
Mailing Address500 W William Cannon Dr Ste 400Austin, TX 78745-5879 · (866) 278-8432
Phone(866) 278-8432
Sole ProprietorYes
Enumeration DateAugust 15, 2022
Last NPPES UpdateSeptember 3, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1144958323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPharmacist · Ambulatory CarePharmacy Service Providers
Taxonomy Code1835P2201X
License✔ Licensed in CO · 0024529
Definition
A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.
Also ListedPharmacistTaxonomy 183500000X · License 75912 (TX)
500 W WILLIAM CANNON DR STE 400, Austin, TX 78745
Open in Google Maps ↗

Secondary Practice Location 1

Location 1825 E Rundberg Ln Ste EAustin, TX 78753-4813 · Phone (888) 478-8432

Other Providers at the Same Location NPPES 5

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

DR. CRISTIANA LAVINIA ANGELELLI I M.D.
Family Medicine
500 W WILLIAM CANNON DR STE 400
AUSTIN, TX 78745
Travis County (888) 478-8432
DR. HORACIO MIGUEL AGUEROS M.D.
Family Medicine
500 W WILLIAM CANNON DR STE 400
AUSTIN, TX 78745
Travis County (888) 478-8432
ANA FUENTEVILLA MD
Internal Medicine (Geriatric Medicine)
500 W WILLIAM CANNON DR STE 400
AUSTIN, TX 78745
Travis County (888) 478-8432
ANA CRISTINA ALMAGUER LMSW
Social Worker (Clinical)
500 W WILLIAM CANNON DR STE 400
AUSTIN, TX 78745
Travis County (866) 278-8432
ANGELICA CONTRERAS D.O.
Family Medicine (Geriatric Medicine)
500 W WILLIAM CANNON DR STE 400
AUSTIN, TX 78745
Travis County (888) 478-8432

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 Marcus Hayner's NPI number?

The NPI number for Marcus Hayner is 1144958323. It was assigned to this individual provider in the NPPES registry on August 15, 2022.

Where is Marcus Hayner located?

Marcus Hayner practices at 500 W William Cannon Dr Ste 400, Austin, TX 78745. The listed phone number is (866) 278-8432.

What is Marcus Hayner's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Ambulatory Care, with taxonomy code 1835P2201X.

When was this NPI record last updated?

The NPPES record for Marcus Hayner was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.