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MRS. KAREN ELAINE KAMERZELL FNP-BC
NPI 1003689621
Nurse Practitioner - Family in Littleton, CO

Active since November 06, 2023PECOS EnrolledAccepts Medicare Assignment
1000 SOUTHPARK DR, LITTLETON, CO 80120(303) 744-1065(303) 733-1699 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2025, Nov 6, 2023 (2 updates tracked since 2023).

About Mrs. Karen Elaine Kamerzell Fnp-bc NPPES

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

MRS. KAREN ELAINE KAMERZELL FNP-BC (NPI 1003689621) is an individual family provider in Littleton, Colorado, licensed in Colorado (0999261) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Littleton, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1003689621
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. KAREN ELAINE KAMERZELLCredential: FNP-BC
Location Address1000 SOUTHPARK DRLittleton, CO 80120-5654
Mailing Address9351 S Johnson LnLittleton, CO 80127-5912 · (303) 906-7429
Phone(303) 744-1065
Fax(303) 733-1699
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateNovember 6, 2023
Last NPPES UpdateDecember 29, 20252 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1003689621 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CO · 0999261
1000 SOUTHPARK DR, Littleton, CO 80120
Open in Google Maps ↗

Secondary Practice Location 1

Location 17761 Shaffer Pkwy Ste 225Littleton, CO 80127-3729 · Phone (303) 862-1504 · Fax (303) 933-9431

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Mrs. Karen Elaine Kamerzell Fnp-bc 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 ID840786141
PECOS Enrollment IDI20260106002999
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 Karen Kamerzell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Portercare Adventist Health System
Same address
Rehabilitation, Cardiac Facilities
1000 SOUTHPARK DR
Littleton, CO 80120
  • Reassigned Medicare billing, Colorado enrollment
  • 733 clinicians in this Medicare group
NPI 1750832382 (303) 744-1065

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.

SAMANTHA JO PUSHCHAK PA-C
Physician Assistant
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
JEHU SAM MATHEW M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
DR. PAWEL DOLOTO M.D.
Internal Medicine (Cardiovascular Disease)
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
LAUREN MICHELE MURRAY RD
Dietitian, Registered
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
DR. ROGER S DAMLE MD
Internal Medicine (Clinical Cardiac Electrophysiology)
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
DR. WILLIAM C CHOE MD
Internal Medicine (Clinical Cardiac Electrophysiology)
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
AMY MARION CARDONA NP
Nurse Practitioner (Acute Care)
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065
REBEKAH BORKERT PA
Physician Assistant
1000 SOUTHPARK DR
LITTLETON, CO 80120
Arapahoe County (303) 744-1065

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 Karen Kamerzell's NPI number?

The NPI number for Karen Kamerzell is 1003689621. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Where is Karen Kamerzell located?

Karen Kamerzell practices at 1000 Southpark Dr, Littleton, CO 80120. The listed phone number is (303) 744-1065.

What is Karen Kamerzell's specialty?

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

Is Karen Kamerzell enrolled in Medicare?

Yes. Karen Kamerzell 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 Karen Kamerzell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Kamerzell reassigns Medicare benefits to Portercare Adventist Health System (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 Karen Kamerzell'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 Karen Kamerzell was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.