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DR. REX TONG HYUN CHUNG M.D.
NPI 1003021882
Surgery - Surgical Critical Care in Loma Linda, CA

Active since May 14, 2007PECOS EnrolledAccepts Medicare Assignment
87.67/100
CMS Quality Rating
11175 CAMPUS ST, RM 21008, LOMA LINDA, CA 92350(909) 558-8131 Get Directions Write a Review

NPPES record last updated: March 23, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Rex Tong Hyun Chung M.d. NPPES

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

DR. REX TONG HYUN CHUNG M.D. (NPI 1003021882) is an individual surgical critical care provider in Loma Linda, California, licensed in California (A99992) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2005).

NPPES Registry Identity

NPI1003021882
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. REX TONG HYUN CHUNGCredential: M.D.
Location Address11175 CAMPUS ST, RM 21008Loma Linda, CA 92350-1700
Mailing Address25246 Barton Rd, Apt. #12Loma Linda, CA 92354-3060 · (909) 210-8222
Phone(909) 558-8131
Sole ProprietorYes
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2005
Enumeration DateMay 14, 2007
Last NPPES UpdateMarch 23, 2016
✔ NPI 1003021882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in CA · A99992
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License A99992 (CA)
11175 CAMPUS ST, Loma Linda, CA 92350
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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. Rex Tong Hyun Chung 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 ID6709054810
PECOS Enrollment IDI20110715000342
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 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.
210 services93 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.
179 services73 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.
58 services58 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.
54 services51 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.
48 services35 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.
20 services20 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.

87.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.86
Promoting Interoperability99
Improvement Activities40
Cost49.42

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.

RITA SHETH MD
Pediatrics (Pediatric Nephrology)
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-8242
DARLEY R MAGNO
Student in an Organized Health Care Education/Training Program
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4462
DR. DAVID CABA MOLINA M.D, MS, MPH
Surgery (Surgical Oncology)
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-5939
MANJOT KAUR PA-C
Physician Assistant
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-1000
DR. KRISTEN ANNE HUGHES M.D.
Pediatrics
11175 CAMPUS ST, SUITE 11120
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4000
RITA ARTOUNIAN MILAGERDI
Physician Assistant
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4000
PROF. GINA DELIA ROQUE TORRES DDS
Clinic/Center (Dental)
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-5933
KYRA FISHER
Psychologist (Clinical Child & Adolescent)
11175 CAMPUS ST
LOMA LINDA, CA 92350
San Bernardino County (323) 863-3294

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 Rex Chung's NPI number?

The NPI number for Rex Chung is 1003021882. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is Rex Chung located?

Rex Chung practices at 11175 Campus St Rm 21008, Loma Linda, CA 92350. The listed phone number is (909) 558-8131.

What is Rex Chung's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Rex Chung enrolled in Medicare?

Yes. Rex Chung 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.

When was this NPI record last updated?

The NPPES record for Rex Chung was last updated on March 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.