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KELLI GREINER
NPI 1861940777
Counselor - Professional in Littleton, CO

Active since September 20, 2016PECOS EnrolledAccepts Medicare Assignment
61 W DAVIES AVE N, LITTLETON, CO 80120(303) 730-8858 Get Directions Write a Review

NPPES record last updated: February 3, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 3, 2021, Sep 20, 2016 (2 updates tracked since 2016).

About Kelli Greiner NPPES

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

KELLI GREINER (NPI 1861940777) is an individual professional provider in Littleton, Colorado, licensed in Colorado (LPC.0016871) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1861940777
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameKELLI GREINER
Location Address61 W DAVIES AVE NLittleton, CO 80120-5252
Mailing Address155 Inverness Dr W, Ste 200Englewood, CO 80112-5095
Phone(303) 730-8858
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateSeptember 20, 2016
Last NPPES UpdateFebruary 3, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2021
✔ NPI 1861940777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in CO · LPC.0016871
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
61 W DAVIES AVE N, Littleton, CO 80120
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kelli Greiner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254781842
PECOS Enrollment IDI20231221004161
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kelli Greiner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arapahoe Mental Health Center, Inc
Same address
Mental Health (Including Community Mental Health Center)
61 W DAVIES AVE N
Littleton, CO 80120
  • Reassigned Medicare billing, Colorado enrollment
  • 331 clinicians in this Medicare group
NPI 1336754100 (303) 730-8858

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. ERIN LYNN RIPPER
Counselor
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 797-9420
MRS. STEPHENIE COMBS B.S.
Counselor
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 797-9420
MR. JOSEPH IOVINO III LPC
Counselor (Professional)
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 730-8858
JENNIFER ALEXIS MORRIS MA, LPC
Counselor (Professional)
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 730-8858
MIKAYLA RAISCH LAC, LPC
Counselor (Professional)
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 730-8858
MS. NANCY JOY BABBITT
Student in an Organized Health Care Education/Training Program
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 797-9420
ARAPAHOE MENTAL HEALTH CENTER, INC
Clinic/Center (Mental Health (Including Community Mental Health Center))
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 730-8858
MS. LISA ANN HUTCHINSON LCSW, CACIII
Social Worker (Clinical)
61 W DAVIES AVE N
LITTLETON, CO 80120
Arapahoe County (303) 730-8858

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 Kelli Greiner's NPI number?

The NPI number for Kelli Greiner is 1861940777. It was assigned to this individual provider in the NPPES registry on September 20, 2016.

Where is Kelli Greiner located?

Kelli Greiner practices at 61 W Davies Ave N, Littleton, CO 80120. The listed phone number is (303) 730-8858.

What is Kelli Greiner's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Kelli Greiner enrolled in Medicare?

Yes. Kelli Greiner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Kelli Greiner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelli Greiner reassigns Medicare benefits to Arapahoe Mental Health Center, Inc (Littleton, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kelli Greiner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kelli Greiner accept?

Health plans from Select Health list Kelli Greiner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kelli Greiner was last updated on February 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.