Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ALEXANDER KAI CHEN MD
NPI 1235792516
Surgery - Trauma Surgery in Bethlehem, PA

Active since April 22, 2019PECOS Enrolled
801 OSTRUM ST, BETHLEHEM, PA 18015(484) 526-6643 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2026, Jun 11, 2025, Apr 22, 2019 (3 updates tracked since 2019).

About Alexander Kai Chen Md NPPES

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

ALEXANDER KAI CHEN MD (NPI 1235792516) is an individual trauma surgery provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD496317) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with University Medical Center, and maintains a secondary practice location in Las Vegas.

NPPES Registry Identity

NPI1235792516
Entity TypeIndividualMale
Primary Taxonomy2086S0127X
Provider Legal NameALEXANDER KAI CHENCredential: MD
Location Address801 OSTRUM STBethlehem, PA 18015-1000
Mailing Address451 Crestdale Ln Apt 21Las Vegas, NV 89144-1006
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateApril 22, 2019
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
NPI 1235792516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtySurgery · Trauma SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0127X
License Licensed in PA · MD496317
Definition
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
Also ListedSurgeryTaxonomy 208600000X · License 25996 (NV)
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 25996 (NV)
801 OSTRUM ST, Bethlehem, PA 18015

Secondary Practice Location 1

Location 11707 W Charleston Blvd Ste 160Las Vegas, NV 89102-2354 · Phone (702) 671-5150

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

Alexander Kai Chen Md 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 ID5294274148
PECOS Enrollment IDI20250923002518
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.

Hospital Affiliations CMS Care Compare

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

University Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number290007
Location1800 W Charleston BlvdLas Vegas, NV 89102 · Clark County
Emergency services Birthing friendly

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.

Emergency Medicine
801 OSTRUM ST, DEPT. OF EMERGENCY MEDICINE
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015
Obstetrics & Gynecology
801 OSTRUM ST
BETHLEHEM, PA 18015
Nurse Practitioner (Acute Care)
801 OSTRUM ST
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015
Internal Medicine (Critical Care Medicine)
801 OSTRUM ST
BETHLEHEM, PA 18015
Nurse Anesthetist, Certified Registered
801 OSTRUM ST
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015

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 Alexander Chen's NPI number?

The NPI number for Alexander Chen is 1235792516. It was assigned to this individual provider in the NPPES registry on April 22, 2019.

Where is Alexander Chen located?

Alexander Chen practices at 801 Ostrum St, Bethlehem, PA 18015. The listed phone number is (484) 526-6643.

What is Alexander Chen's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.

Is Alexander Chen enrolled in Medicare?

Yes. Alexander 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.

Is Alexander Chen affiliated with any hospitals?

According to CMS data, Alexander Chen is affiliated with University Medical Center.

When was this NPI record last updated?

The NPPES record for Alexander Chen was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.