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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.

ALANNA GRACE DE SIBOUR
NPI 1992591291
Physician Assistant - Medical in Littleton, CO

Active since April 15, 2025
9200 W CROSS DR, LITTLETON, CO 80123(303) 972-7337 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alanna Grace De Sibour NPPES

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

ALANNA GRACE DE SIBOUR (NPI 1992591291) is an individual medical provider in Littleton, Colorado, licensed in Colorado (0009273) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1992591291
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameALANNA GRACE DE SIBOUR
Location Address9200 W CROSS DRLittleton, CO 80123-2239
Mailing Address9200 W Cross Dr Ste 100Littleton, CO 80123-2239 · (303) 972-7337
Phone(303) 972-7337
Sole ProprietorNo
Enumeration DateApril 15, 2025
Last NPPES UpdateOctober 21, 2026
NPPES CertifiedOctober 21, 2026
✔ NPI 1992591291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CO · 0009273
9200 W CROSS DR, Littleton, CO 80123
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Other Providers at the Same Location NPPES 20

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

TODD M. JUHLIN D.D.S., P.C.
Clinic/Center (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE 603
LITTLETON, CO 80123
Jefferson County (303) 932-7458
ROBERT D. MADDEN, DDS, MBA, P.C.
Dentist (General Practice)
9200 W CROSS DR, SUITE 300
LITTLETON, CO 80123
Jefferson County (303) 973-5859
DR. ROBERT D HENDRY DDS
Dentist (General Practice)
9200 W CROSS DR, #407
LITTLETON, CO 80123
Jefferson County (303) 933-4117
JENNIFER MANNING LPC
Counselor (Professional)
9200 W CROSS DR
LITTLETON, CO 80123
Jefferson County (617) 420-1917
SUSAN JAMES-PADILLA
Social Worker (Clinical)
9200 W CROSS DR
LITTLETON, CO 80123
Jefferson County (303) 432-5600
NICOLE MARIE POPPER PT, DPT
Physical Therapist (Orthopedic)
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Jefferson County (303) 904-8133
DR. DAVID R BUNDY D.D.S.
Dentist (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE #603
LITTLETON, CO 80123
Jefferson County (303) 932-7458
SPECIALIZED REHABILITATION, INC.
Occupational Therapist
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Jefferson County (303) 904-8133

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 Alanna De Sibour's NPI number?

The NPI number for Alanna De Sibour is 1992591291. It was assigned to this individual provider in the NPPES registry on April 15, 2025.

Where is Alanna De Sibour located?

Alanna De Sibour practices at 9200 W Cross Dr, Littleton, CO 80123. The listed phone number is (303) 972-7337.

What is Alanna De Sibour's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Alanna De Sibour was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.