CHELSEA ELIZABETH TRIERWEILER FNP
NPI 1679104483
Nurse Practitioner - Family in Castle Pines, CO

Active since January 30, 2020PECOS EnrolledAccepts Medicare Assignment
88.22/100
CMS Quality Rating
7280 LAGAE RD STE J, CASTLE PINES, CO 80108(303) 814-0505(303) 814-6491 Get Directions Write a Review

NPPES record last updated: January 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 5, 2025, Apr 8, 2022, Sep 15, 2021 and 2 more (5 updates tracked since 2020).

About Chelsea Elizabeth Trierweiler Fnp NPPES

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

CHELSEA ELIZABETH TRIERWEILER FNP (NPI 1679104483) is an individual family provider in Castle Pines, Colorado, licensed in Colorado (F11190077) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Castle Pines, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1679104483
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHELSEA ELIZABETH TRIERWEILERCredential: FNP
Location Address7280 LAGAE RD STE JCastle Pines, CO 80108-9454
Mailing Address1805 Shea Center Dr Ste 301Highlands Ranch, CO 80129-2277 · (303) 814-0505 · Fax (303) 814-6491
Fax(303) 814-6491
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJanuary 30, 2020
Last NPPES UpdateJanuary 5, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2025
✔ NPI 1679104483 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CO · F11190077
Also ListedNurse PractitionerTaxonomy 363L00000X · License APN.0995210-NP (CO)
7280 LAGAE RD STE J, Castle Pines, CO 80108

Secondary Practice Location 1

Location 17280 Lagae Rd Ste ICastle Pines, CO 80108-9454 · Phone (303) 814-0505 · Fax (720) 638-3402

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

Chelsea Elizabeth Trierweiler Fnp 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 ID7012344898
PECOS Enrollment IDI20200218001419
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 Reassignments

2

Medicare enrollment records show Chelsea Trierweiler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
7280 LAGAE RD STE J
Castle Pines, CO 80108
  • Reassigned Medicare billing, Colorado enrollment
  • 145 clinicians in this Medicare group
Internal Medicine
11960 LIONESS WAY STE 210
Parker, CO 80134
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services42 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services24 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
26 services26 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80108 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.

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.

88.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.96
Promoting Interoperability81
Improvement Activities40

Other Providers at the Same Location NPPES 9

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

Family Medicine (Sports Medicine)
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Nurse Practitioner (Family)
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Physician Assistant
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Family Medicine
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Family Medicine
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Nurse Practitioner (Family)
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Physician Assistant
7280 LAGAE RD STE J
CASTLE PINES, CO 80108
Physician Assistant
7280 LAGAE RD STE J
CASTLE PINES, CO 80108

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 Chelsea Trierweiler's NPI number?

The NPI number for Chelsea Trierweiler is 1679104483. It was assigned to this individual provider in the NPPES registry on January 30, 2020.

Where is Chelsea Trierweiler located?

Chelsea Trierweiler practices at 7280 Lagae Rd Ste J, Castle Pines, CO 80108. The listed phone number is (303) 814-0505.

What is Chelsea Trierweiler's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Chelsea Trierweiler enrolled in Medicare?

Yes. Chelsea Trierweiler 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 Chelsea Trierweiler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Trierweiler reassigns Medicare benefits to 2 organizations: Onpoint Medical Group, LLC (Castle Pines, CO) and Catholic Health Initiatives Colorado (Parker, 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 Chelsea Trierweiler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Chelsea Trierweiler was last updated on January 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.