DR. WILLIS CHANG M.D.
NPI 1609253103
Emergency Medicine in Las Vegas, NV

Active since May 04, 2015PECOS EnrolledAccepts Medicare Assignment
88.53/100
CMS Quality Rating
3186 S MARYLAND PKWY, LAS VEGAS, NV 89109(702) 961-7800 Get Directions Write a Review

NPPES record last updated: July 20, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Willis Chang M.d. NPPES

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

DR. WILLIS CHANG M.D. (NPI 1609253103) is an individual emergency medicine provider in Las Vegas, Nevada, licensed in Nevada (17812) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and is a graduate of Wayne State University School Of Medicine (2015).

NPPES Registry Identity

NPI1609253103
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. WILLIS CHANGCredential: M.D.
Location Address3186 S MARYLAND PKWYLas Vegas, NV 89109
Mailing Address7391 W Charleston Blvd Ste 140Las Vegas, NV 89117-1577
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2015
Enumeration DateMay 4, 2015
Last NPPES UpdateJuly 20, 2018
NPI 1609253103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in NV · 17812
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3186 S MARYLAND PKWY, Las Vegas, NV 89109

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. Willis Chang 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 ID1153691043
PECOS Enrollment IDI20180801002535
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
145 services139 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
53 services50 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
43 services42 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
16 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sunrise Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
1/5 CMS rating
OwnershipProprietary
CMS Certification Number290003
Location3186 S Maryland PkwyLas Vegas, NV 89109 · Clark County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89109 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
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
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.

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.

88.53/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality81.42
Improvement Activities40
Cost62.49

Reported Quality Measures

Ultrasound Determination of Pregnancy Location for Pregnant Patients with Abdominal Pain
100%39 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Radiology (Vascular & Interventional Radiology)
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Pediatrics
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Emergency Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Physician Assistant
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Nurse Practitioner (Psychiatric/Mental Health)
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Internal Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Physical Medicine & Rehabilitation
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
Emergency Medicine
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109

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 Willis Chang's NPI number?

The NPI number for Willis Chang is 1609253103. It was assigned to this individual provider in the NPPES registry on May 4, 2015.

Where is Willis Chang located?

Willis Chang practices at 3186 S Maryland Pkwy, Las Vegas, NV 89109. The listed phone number is (702) 961-7800.

What is Willis Chang's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Willis Chang enrolled in Medicare?

Yes. Willis Chang 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.

Is Willis Chang affiliated with any hospitals?

According to CMS data, Willis Chang is affiliated with Sunrise Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Willis Chang was last updated on July 20, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.