DR. MARSHELLE SMITH WARREN M.D.
NPI 1669859161
Allergy & Immunology in Boulder, CO

Active since May 04, 2015
1460 ITHACA DR, BOULDER, CO 80305(303) 589-1304 Get Directions Write a Review

NPPES record last updated: May 4, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Marshelle Smith Warren M.d. NPPES

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

DR. MARSHELLE SMITH WARREN M.D. (NPI 1669859161) is an individual allergy & immunology provider in Boulder, Colorado, licensed in Colorado (29682) and active in the NPI registry since May 2015.

NPPES Registry Identity

NPI1669859161
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. MARSHELLE SMITH WARRENCredential: M.D.
Location Address1460 ITHACA DRBoulder, CO 80305-6928
Mailing AddressPo Box 3217Boulder, CO 80307-3217 · (303) 589-1304
Sole ProprietorYes
Enumeration DateMay 4, 2015
NPI 1669859161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License Licensed in CO · 29682
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 29682 (CO)
1460 ITHACA DR, Boulder, CO 80305

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 Marshelle Warren's NPI number?

The NPI number for Marshelle Warren is 1669859161. It was assigned to this individual provider in the NPPES registry on May 4, 2015.

Where is Marshelle Warren located?

Marshelle Warren practices at 1460 Ithaca Dr, Boulder, CO 80305. The listed phone number is (303) 589-1304.

What is Marshelle Warren's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

When was this NPI record last updated?

The NPPES record for Marshelle Warren was last updated on May 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.