DR. LEAH HELEN WILLIAMS MD
NPI 1801355722
Pediatrics - Pediatric Emergency Medicine in Aurora, CO
About Dr. Leah Helen Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEAH HELEN WILLIAMS MD (NPI 1801355722) is an individual pediatric emergency medicine provider in Aurora, Colorado, licensed in Colorado (DR.0068114) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 (PECOS)
Dr. Leah Helen Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leah Williams 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 Leah Williams's NPI number?
The NPI number for Leah Williams is 1801355722. It was assigned to this individual provider in the NPPES registry on March 19, 2019.
Where is Leah Williams located?
Leah Williams practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Leah Williams's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Leah Williams enrolled in Medicare?
Yes. Leah Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leah Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Williams 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 Leah Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah Williams accept?
Health plans from Select Health list Leah Williams 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 Leah Williams was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Leah Helen Williams, MD · NPI 1801355722
Pediatric Emergency Medicine physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since March 19, 2019.
## Identity
- **NPI:** 1801355722 (Entity type: Individual)
- **Enumerated:** March 19, 2019
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** DR.0068114 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045-7106
- **Phone:** (720) 848-0000
## 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:** August 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801355722) · Data from the CMS NPPES public registry.