Marshelle Warren, M.D.
NPI 1669859161 · Allergy & Immunology Physician · Boulder, CO
Marshelle Warren, M.D. is a Allergy & Immunology Physician provider in Boulder, CO (NPI 1669859161).
Provider details
- NPI number
- 1669859161
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 29682 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-04
- Last updated
- 2015-05-04
Frequently asked questions
- What is Marshelle Warren's NPI number?
- Marshelle Warren's National Provider Identifier (NPI) is 1669859161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshelle Warren's specialty?
- Marshelle Warren is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshelle Warren located?
- Marshelle Warren's practice location on file with NPPES is 1460 Ithaca Dr, Boulder, CO 80305-6928.
- What is Marshelle Warren's phone number?
- The practice phone number listed in the NPPES registry for Marshelle Warren is (303) 589-1304.
- Is Marshelle Warren's NPI active?
- Yes — Marshelle Warren's NPI (1669859161) is active in the NPPES registry as of the last update on 2015-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.