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MRS. LONNI LEE WILLIAMS CPNP-PC/AC
NPI 1750760286
Nurse Practitioner - Pediatrics in Aurora, CO

Active since May 29, 2015PECOS Enrolled
13123 E 16TH AVE, B328, AURORA, CO 80045(720) 777-7519 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2025, Jul 29, 2019, Dec 21, 2016 (3 updates tracked since 2016).

About Mrs. Lonni Lee Williams Cpnp-pc/ac NPPES

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

MRS. LONNI LEE WILLIAMS CPNP-PC/AC (NPI 1750760286) is an individual pediatrics provider in Aurora, Colorado, licensed in Colorado (APN.0991748-NP) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750760286
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. LONNI LEE WILLIAMSCredential: CPNP-PC/AC
Location Address13123 E 16TH AVE, B328Aurora, CO 80045-7106
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Phone(720) 777-7519
Sole ProprietorNo
Enumeration DateMay 29, 2015
Last NPPES UpdateMay 8, 20253 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1750760286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in CO · APN.0991748-NP
Also ListedRegistered NurseTaxonomy 163W00000X · License RN.181404 (CO)
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License APN.0991748-NP (CO)
13123 E 16TH AVE, Aurora, CO 80045
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Lonni Lee Starkey

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Lonni Lee Williams Cpnp-pc/ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 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.

ERIN TERAVEST PA
Physician Assistant (Surgical)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MELISSA KAY FRAZER AA-C
Anesthesiologist Assistant
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
RACHEL MARIE RANWEILER
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. KATHRYN LYN PEGAN AU.D.
Audiologist
13123 E 16TH AVE, 2ND FLOOR OUTPATIENT PAVILION - AUDIOLOGY
AURORA, CO 80045
Adams County (720) 777-1961
MRS. KRISTEN L HOLDER FNP-C, APRN-BC
Nurse Practitioner (Psychiatric/Mental Health)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. JILL M MARKS RN, APN
Nurse Practitioner (Pediatrics)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. WENDELYN M BARRETT NNP
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. TIMOTHY OWEN VANDERKOOY MD
Emergency Medicine (Pediatric Emergency Medicine)
13123 E 16TH AVE, AURORA, CO 80045-7106
AURORA, CO 80045
Adams County (720) 777-1234

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 Lonni Williams's NPI number?

The NPI number for Lonni Williams is 1750760286. It was assigned to this individual provider in the NPPES registry on May 29, 2015. The provider is also known as Ms. Lonni Lee Starkey.

Where is Lonni Williams located?

Lonni Williams practices at 13123 E 16th Ave B328, Aurora, CO 80045. The listed phone number is (720) 777-7519.

What is Lonni Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Lonni Williams enrolled in Medicare?

Yes. Lonni Williams is registered in the Medicare PECOS enrollment system.

What insurance does Lonni Williams accept?

Health plans from Medica and UnitedHealthcare list Lonni 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 Lonni Williams was last updated on May 8, 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.