ABBY LARSON MD
NPI 1861815284
Surgery - Pediatric Surgery in Aurora, CO
About Abby Larson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABBY LARSON MD (NPI 1861815284) is an individual pediatric surgery provider in Aurora, Colorado, licensed in Colorado (DR.0075617) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Abby Larson Md 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 Reassignment
Medicare enrollment records show Abby Larson 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.
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 Abby Larson's NPI number?
The NPI number for Abby Larson is 1861815284. It was assigned to this individual provider in the NPPES registry on January 22, 2014.
Where is Abby Larson located?
Abby Larson practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.
What is Abby Larson's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Abby Larson enrolled in Medicare?
Yes. Abby Larson 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 Abby Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abby Larson 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 Abby Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abby Larson accept?
Health plans from Select Health list Abby Larson 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 Abby Larson was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Abby Larson, MD · NPI 1861815284
Pediatric Surgery physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since January 22, 2014.
## Identity
- **NPI:** 1861815284 (Entity type: Individual)
- **Enumerated:** January 22, 2014
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** DR.0075617 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045-7106
- **Phone:** (720) 777-1234
## 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:** University Physicians Incorporated (NPI 1083662498, Aurora, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** September 30, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1861815284) · Data from the CMS NPPES public registry.