MELISSA MATHERN NP
NPI 1255944922
Nurse Practitioner in Littleton, CO
About Melissa Mathern Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA MATHERN NP (NPI 1255944922) is an individual nurse practitioner in Littleton, Colorado, licensed in Colorado (APN.0995659-NP) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Westminster, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Accepted 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
Melissa Mathern Np 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.
Medicare Billing Reassignments
3Medicare enrollment records show Melissa Mathern reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Centennial, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 1,193 clinicians in this Medicare group
Lone Tree, CO 80124
- Reassigned Medicare billing, Colorado enrollment
- 21 clinicians in this Medicare group
Centennial, CO 80112
- Reassigned Medicare billing, Colorado enrollment
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Melissa Mathern's NPI number?
The NPI number for Melissa Mathern is 1255944922. It was assigned to this individual provider in the NPPES registry on August 24, 2020.
Where is Melissa Mathern located?
Melissa Mathern practices at 7818 S Hill Cir, Littleton, CO 80120. The listed phone number is (720) 425-2089.
What is Melissa Mathern's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Melissa Mathern enrolled in Medicare?
Yes. Melissa Mathern 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 organizations bill Medicare for Melissa Mathern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Mathern reassigns Medicare benefits to 3 organizations: Catholic Health Initiatives Colorado (Centennial, CO), Spineone, PLLC (Lone Tree, CO) and Chi National Home Care, LLC (Centennial, CO). Each 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 Melissa Mathern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Mathern accept?
Health plans from UnitedHealthcare list Melissa Mathern 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 Melissa Mathern was last updated on July 29, 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.
# Melissa Mathern, NP · NPI 1255944922
Nurse Practitioner physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since August 24, 2020.
## Identity
- **NPI:** 1255944922 (Entity type: Individual)
- **Enumerated:** August 24, 2020
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** APN.0995659-NP (Colorado)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7818 S HILL CIR, Littleton, CO 80120-4320
- **Phone:** (720) 425-2089
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Catholic Health Initiatives Colorado (NPI 1043188204, Centennial, CO); Spineone, PLLC (NPI 1760604409, Lone Tree, CO); Chi National Home Care, LLC (NPI 1275406373, Centennial, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1255944922) · Data from the CMS NPPES public registry.