1. Home
  2. Directory
  3. Colorado
  4. Centennial
  5. Physician Assistant
  6. NPI Profile

ANNA ELIZABETH WILLIS PA-C
NPI 1952652729
Physician Assistant in Centennial, CO

Active since September 19, 2012
76.11/100
CMS Quality Rating
9110 E NICHOLS AVE STE 150, CENTENNIAL, CO 80112(720) 666-4739 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 15, 2022, Dec 7, 2015 (2 updates tracked since 2015).

About Anna Elizabeth Willis Pa-c NPPES

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

ANNA ELIZABETH WILLIS PA-C (NPI 1952652729) is an individual physician assistant in Centennial, Colorado, licensed in Colorado (0003482) and active in the NPI registry since September 2012.

NPPES Registry Identity

NPI1952652729
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameANNA ELIZABETH WILLISCredential: PA-C
Location Address9110 E NICHOLS AVE STE 150Centennial, CO 80112-3450
Mailing Address9110 E Nichols Ave Ste 150Centennial, CO 80112-3450 · (720) 666-4739
Phone(720) 666-4739
Sole ProprietorNo
Enumeration DateSeptember 19, 2012
Last NPPES UpdateOctober 23, 20252 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1952652729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CO · 0003482
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

9110 E NICHOLS AVE STE 150, Centennial, CO 80112
Open in Google Maps ↗

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
152 services142 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
150 services133 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
130 services129 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
127 services122 patients
Manual urinalysis test with examination using microscope, automated 81001
A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.
118 services106 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
38 services36 patients

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.

76.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.94
Promoting Interoperability100
Improvement Activities40
Cost57.43

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA ELIZABETH BOONE PA-C
Physician Assistant
9110 E NICHOLS AVE STE 150
CENTENNIAL, CO 80112
Arapahoe County (720) 666-4739

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 Anna Willis's NPI number?

The NPI number for Anna Willis is 1952652729. It was assigned to this individual provider in the NPPES registry on September 19, 2012.

Where is Anna Willis located?

Anna Willis practices at 9110 E Nichols Ave Ste 150, Centennial, CO 80112. The listed phone number is (720) 666-4739.

What is Anna Willis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Anna Willis was last updated on October 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.