Kelli Greiner
NPI 1861940777 · Professional Counselor · Littleton, CO
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelli Greiner is a Professional Counselor provider in Littleton, CO (NPI 1861940777).
Provider details
- NPI number
- 1861940777
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2016-09-20
- Last updated
- 2021-02-03
- Certified
- 2021-02-03
Frequently asked questions
- What is Kelli Greiner's NPI number?
- Kelli Greiner's National Provider Identifier (NPI) is 1861940777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelli Greiner's specialty?
- Kelli Greiner is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Kelli Greiner located?
- Kelli Greiner's practice location on file with NPPES is 61 W Davies Ave N, Littleton, CO 80120-5252.
- What is Kelli Greiner's phone number?
- The practice phone number listed in the NPPES registry for Kelli Greiner is (303) 730-8858.
- Does Kelli Greiner accept Medicare?
- Kelli Greiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelli Greiner's NPI active?
- Yes — Kelli Greiner's NPI (1861940777) is active in the NPPES registry as of the last update on 2021-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.