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LI-CHIEN CHEN D.O
NPI 1528492949
Internal Medicine - Infectious Disease in Las Vegas, NV

Active since August 22, 2013PECOS EnrolledAccepts Medicare Assignment
45.52/100
CMS Quality Rating
4445 S EASTERN AVE STE 1, LAS VEGAS, NV 89119(702) 410-5319(702) 442-1494 Get Directions Write a Review

NPPES record last updated: January 3, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2023, Dec 6, 2018, Aug 29, 2018 and 2 more (5 updates tracked since 2018).

About Li-chien Chen D.o NPPES

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

LI-CHIEN CHEN D.O (NPI 1528492949) is an individual infectious disease provider in Las Vegas, Nevada, licensed in Nevada (DO2045) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1528492949
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameLI-CHIEN CHENCredential: D.O
Location Address4445 S EASTERN AVE STE 1Las Vegas, NV 89119-7851
Mailing Address6040 S Fort Apache Rd Ste 100Las Vegas, NV 89148-5613 · (702) 476-4900 · Fax (702) 476-4949
Phone(702) 410-5319
Fax(702) 442-1494
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateAugust 22, 2013
Last NPPES UpdateJanuary 3, 20235 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2023
✔ NPI 1528492949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NV · DO2045
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
4445 S EASTERN AVE STE 1, Las Vegas, NV 89119
Open in Google Maps ↗

Other Identifiers 1

Medicaid1528492949NV

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Li-chien Chen D.o 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 ID8921235466
PECOS Enrollment IDI20180823000833
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Li-chien Chen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Babak Hooshmand MD PLLC
Same address
Internal Medicine
4472 S EASTERN AVE
Las Vegas, NV 89119
  • Reassigned Medicare billing, Nevada enrollment
  • 14 clinicians in this Medicare group
NPI 1588120240 (702) 844-6333
Comprehensive Infectious Disease Of Nevada
5.8 mi
Infectious Disease
801 S RANCHO DR STE B
Las Vegas, NV 89106
  • Reassigned Medicare billing, Nevada enrollment
  • 11 clinicians in this Medicare group
NPI 1275102832 (702) 844-6333
Bessler MD, PLLC
7.0 mi
Internal Medicine
3001 SAINT ROSE PKWY
Henderson, NV 89052
  • Reassigned Medicare billing, Nevada enrollment
  • 125 clinicians in this Medicare group
NPI 1801288774 (615) 377-5658
Eid Nevada Critical Care PLLC
10 mi
Critical Care Medicine
6040 S FORT APACHE RD STE 100
Las Vegas, NV 89148
  • Reassigned Medicare billing, Nevada enrollment
  • 101 clinicians in this Medicare group
NPI 1962712828 (702) 476-4900
Sierra Infectious Diseases Parker & Yee Apc
344 mi
Specialist
5458 RENO CORPORATE DR
Reno, NV 89511
  • Reassigned Medicare billing, Nevada enrollment
  • 9 clinicians in this Medicare group
NPI 1174725410 (775) 329-0333
Rabessler MD PC
1,926 mi
Internal Medicine
1311 W CHERRY ST
Jesup, GA 31545
  • Reassigned Medicare billing, Nevada enrollment
  • 74 clinicians in this Medicare group
NPI 1174731970 (912) 427-7792

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,363 services465 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
923 services335 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
279 services255 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
251 services102 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
156 services146 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.
30 services19 patients

Hospital Affiliations CMS Care Compare 5

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

Valley Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number290021
Location620 Shadow LaneLas Vegas, NV 89106 · Clark County
Emergency services

Mountainview Hospital

Acute Care Hospitals · Las Vegas, NV
4/5 CMS rating
OwnershipProprietary
CMS Certification Number290039
Location3100 N Tenaya WayLas Vegas, NV 89128 · Clark County
Emergency services Birthing friendly

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290045
Location3001 St Rose ParkwayHenderson, NV 89052 · Clark County
Emergency services Birthing friendly

Southern Hills Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
4/5 CMS rating
OwnershipProprietary
CMS Certification Number290047
Location9300 West Sunset RdLas Vegas, NV 89148 · Clark County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89119 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
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.

45.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality25.38
Improvement Activities0
Cost71.87

Other Providers at the Same Location NPPES 7

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

LEA DIOLA NP-C
Nurse Practitioner (Gerontology)
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 410-5319
MARY KATHERINE HOLSTEIN MSN-AGACNP
Nurse Practitioner (Acute Care)
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 410-5319
JESSIE DO APRN
Nurse Practitioner (Family)
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 410-5319
AMMAR WEHBEH MD
Obstetrics & Gynecology
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 497-5554
TANIA AL SHAMY M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 410-5319
THE ART OF OBSTETRICS LLC
Obstetrics & Gynecology
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 497-5554
HEART, LUNG, AND VASCULAR SURGERY, PC
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4445 S EASTERN AVE STE 1
LAS VEGAS, NV 89119
Clark County (702) 902-0885

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 Li-chien Chen's NPI number?

The NPI number for Li-chien Chen is 1528492949. It was assigned to this individual provider in the NPPES registry on August 22, 2013.

Where is Li-chien Chen located?

Li-chien Chen practices at 4445 S Eastern Ave Ste 1, Las Vegas, NV 89119. The listed phone number is (702) 410-5319.

What is Li-chien Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Li-chien Chen enrolled in Medicare?

Yes. Li-chien Chen 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.

Which organizations bill Medicare for Li-chien Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Li-chien Chen reassigns Medicare benefits to 6 organizations: Babak Hooshmand MD PLLC (Las Vegas, NV), Comprehensive Infectious Disease Of Nevada (Las Vegas, NV), Bessler MD, PLLC (Henderson, NV), Eid Nevada Critical Care PLLC (Las Vegas, NV), Sierra Infectious Diseases Parker & Yee Apc (Reno, NV) and 1 more organization, listed in the Medicare section above. Each 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 Li-chien Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Li-chien Chen affiliated with any hospitals?

According to CMS data, Li-chien Chen is affiliated with Sunrise Hospital And Medical Center, Valley Hospital Medical Center, Mountainview Hospital, Saint Rose Dominican Hospitals - Siena Campus and Southern Hills Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Li-chien Chen was last updated on January 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.