DR. MARK WILLIS M.D.
NPI 1649423617
Otolaryngology - Plastic Surgery within the Head & Neck in Highlands Ranch, CO

Active since November 03, 2008PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
1500 PARK CENTRAL DR, HIGHLANDS RANCH, CO 80129(720) 848-0000 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Dec 23, 2025, Aug 23, 2019 (2 updates tracked since 2019).

About Dr. Mark Willis M.d. NPPES

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

DR. MARK WILLIS M.D. (NPI 1649423617) is an individual plastic surgery within the head & neck provider in Highlands Ranch, Colorado, licensed in Colorado (51080) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of University Of Colorado School Of Medicine, Denver (2007).

NPPES Registry Identity

NPI1649423617
Entity TypeIndividualMale
Primary Taxonomy207YX0007X
Provider Legal NameDR. MARK WILLISCredential: M.D.
Location Address1500 PARK CENTRAL DRHighlands Ranch, CO 80129-6688
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2007
Enumeration DateNovember 3, 2008
Last NPPES UpdateDecember 23, 20252 updates tracked since enumeration
NPPES CertifiedDecember 23, 2025
NPI 1649423617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngology · Plastic Surgery within the Head & NeckAllopathic & Osteopathic Physicians
Taxonomy Code207YX0007X
License Licensed in CO · 51080
Definition
An otolaryngologist with additional training in plastic and reconstructive procedures within the head, face, neck and associated structures, including cutaneous head and neck oncology and reconstruction, management of maxillofacial trauma, soft tissue repair and neural surgery. The field is diverse and involves a wide age range of patients, from the newborn to the aged. While both cosmetic and reconstructive surgeries are practiced, there are many additional procedures which interface with them.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 51080 (CO)
1500 PARK CENTRAL DR, Highlands Ranch, CO 80129

Secondary Practice Location 1

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 848-0000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Willis M.d. 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.

PECOS PAC ID4486800299
PECOS Enrollment IDI20120810000209
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.

Areas of Expertise CMS Part B claims 9

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.

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.
161 services117 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
129 services129 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.
98 services84 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
78 services69 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
64 services64 patients
Diagnostic exam of nasal passages using an endoscope 31231
A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.
63 services50 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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

Urology
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Nurse Practitioner (Adult Health)
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Obstetrics & Gynecology
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Specialist/Technologist, Other (Surgical Assistant)
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Obstetrics & Gynecology
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Physician Assistant (Medical)
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Nurse Practitioner (Obstetrics & Gynecology)
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129
Urology
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 80129

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 Mark Willis's NPI number?

The NPI number for Mark Willis is 1649423617. It was assigned to this individual provider in the NPPES registry on November 3, 2008.

Where is Mark Willis located?

Mark Willis practices at 1500 Park Central Dr, Highlands Ranch, CO 80129. The listed phone number is (720) 848-0000.

What is Mark Willis's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Plastic Surgery within the Head & Neck, with taxonomy code 207YX0007X.

Is Mark Willis enrolled in Medicare?

Yes. Mark Willis 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.

What insurance does Mark Willis accept?

Health plans from Medica list Mark Willis 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 Mark Willis was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.