Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Gwen Jessica Jackson Kellogg, FNP

Individual provider Family Nurse Practitioner · NPI 1558107136

Mrs. Gwen Jessica Jackson Kellogg, FNP is a Nurse Practitioner in Denver, Colorado. Qualified in 2024, 2 years ago. Practices with Intermountain Medical Group Denver LLC, a 567-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
2
Licensed in
CO
In the registry since
2024
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1818 N Ogden St Ste 400
Denver, CO 80218-1280
Phone: (303) 381-1991
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APN.0999918-NP (CO)

Record details

NPI number1558107136
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJuly 3, 2024
Last updated in NPPESJuly 3, 2024
Certification dateJuly 3, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Intermountain Medical Group Denver Llc — 567 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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