ALEXANDRIA WIERSMA MD
NPI 1497049498
Pediatrics - Pediatric Emergency Medicine in Aurora, CO
About Alexandria Wiersma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRIA WIERSMA MD (NPI 1497049498) is an individual pediatric emergency medicine provider in Aurora, Colorado, licensed in Colorado (DR.0053566) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Washington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexandria Wiersma Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexandria Wiersma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 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.
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.
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.
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
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 Alexandria Wiersma's NPI number?
The NPI number for Alexandria Wiersma is 1497049498. It was assigned to this individual provider in the NPPES registry on June 7, 2011.
Where is Alexandria Wiersma located?
Alexandria Wiersma practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.
What is Alexandria Wiersma's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Alexandria Wiersma enrolled in Medicare?
Yes. Alexandria Wiersma is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexandria Wiersma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandria Wiersma reassigns Medicare benefits to University Physicians Incorporated (Aurora, 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 Alexandria Wiersma'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 Alexandria Wiersma was last updated on September 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Alexandria Wiersma, MD · NPI 1497049498
Pediatric Emergency Medicine physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since June 7, 2011.
## Identity
- **NPI:** 1497049498 (Entity type: Individual)
- **Enumerated:** June 7, 2011
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** DR.0053566 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045
- **Phone:** (720) 777-1234
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Physicians Incorporated (NPI 1083662498, Aurora, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 12, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1497049498) · Data from the CMS NPPES public registry.