Karin Keller, FNP
NPI 1750402558 · Family Nurse Practitioner · Denver, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karin Keller, FNP is a Family Nurse Practitioner provider in Denver, CO (NPI 1750402558).
Provider details
- NPI number
- 1750402558
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- APN0002322 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-04-02
- Last updated
- 2018-02-05
Frequently asked questions
- What is Karin Keller's NPI number?
- Karin Keller's National Provider Identifier (NPI) is 1750402558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karin Keller's specialty?
- Karin Keller is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karin Keller located?
- Karin Keller's practice location on file with NPPES is 4200 E 9th Ave, Denver, CO 80262-0001.
- What is Karin Keller's phone number?
- The practice phone number listed in the NPPES registry for Karin Keller is (303) 372-0617.
- Does Karin Keller accept Medicare?
- Karin Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karin Keller's NPI active?
- Yes — Karin Keller's NPI (1750402558) is active in the NPPES registry as of the last update on 2018-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.