HOLLY MARIE ELLIS-PONOMAREV RN, BSN, PMHNP-BC
NPI 1437500097
Nurse Practitioner - Psychiatric/Mental Health in Littleton, CO

Q: What is Holly Ellis-ponomarev's NPI number?

The NPI number for Holly Ellis-ponomarev is 1437500097. It was assigned to this individual provider in the NPPES registry on June 24, 2016. The provider is also known as Holly Ellis.

Q: What is Holly Ellis-ponomarev's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since June 24, 2016PECOS Enrolled

6509 S SANTA FE DR, LITTLETON, CO 80120(303) 730-8858 Get Directions Write a Review

NPPES record last updated: March 17, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2020, Jun 3, 2019, Mar 8, 2018 and 1 more (4 updates tracked since 2016).

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About Holly Marie Ellis-ponomarev Rn, Bsn, Pmhnp-bc NPPES

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

HOLLY MARIE ELLIS-PONOMAREV RN, BSN, PMHNP-BC (NPI 1437500097) is an individual psychiatric/mental health provider in Littleton, Colorado, licensed in Colorado (992603) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1437500097

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameHOLLY MARIE ELLIS-PONOMAREVCredential: RN, BSN, PMHNP-BC

Location Address6509 S SANTA FE DRLittleton, CO 80120-2910

Mailing Address700 Potomac StAurora, CO 80011-6844 · (303) 360-3700

Phone(303) 730-8858

Sole ProprietorNo

Enumeration DateJune 24, 2016

Last NPPES UpdateMarch 17, 20204 updates tracked since enumeration

NPPES CertifiedMarch 17, 2020

✔ NPI 1437500097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in CO · 992603

Also ListedNurse PractitionerTaxonomy 363L00000X · License 992603 (CO)

6509 S SANTA FE DR, Littleton, CO 80120

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Other Names 1

Professional Name (2)Holly Ellis

Secondary Practice Locations 2

Location 11615 Foxtrail Dr Ste 230Loveland, CO 80538-9087 · Phone (970) 820-0470 · Fax (877) 720-0502

Location 29218 Kimmer Dr Ste 200Lone Tree, CO 80124-6733 · Phone (303) 683-5620 · Fax (303) 683-5609

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Holly Marie Ellis-ponomarev Rn, Bsn, Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Holly Ellis-ponomarev 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)

6509 S SANTA FE DR
Littleton, CO 80120

Reassigned Medicare billing, Colorado enrollment
331 clinicians in this Medicare group

NPI 1023864139 (303) 730-8858

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MS. SARAH MARIE MALSOM

Counselor (Professional)