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DR. THOMAS WON CHO M.D.
NPI 1366620940
Emergency Medicine in Loma Linda, CA

Active since February 05, 2008PECOS Enrolled
11234 ANDERSON ST, LLUMC, HOUSE STAFF OFFICE CP 21005, LOMA LINDA, CA 92354(909) 558-4000 Get Directions Write a Review

NPPES record last updated: January 7, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Thomas Won Cho M.d. NPPES

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

DR. THOMAS WON CHO M.D. (NPI 1366620940) is an individual emergency medicine provider in Loma Linda, California, licensed in California (A97792) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366620940
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THOMAS WON CHOCredential: M.D.
Location Address11234 ANDERSON ST, LLUMC, HOUSE STAFF OFFICE CP 21005Loma Linda, CA 92354-2804
Mailing Address11234 Anderson St, Llumc, House Staff Office Cp 21005Loma Linda, CA 92354-2804 · (909) 558-4000
Phone(909) 558-4000
Sole ProprietorNo
Enumeration DateFebruary 5, 2008
Last NPPES UpdateJanuary 7, 2009
✔ NPI 1366620940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A97792
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.
11234 ANDERSON ST, Loma Linda, CA 92354
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Other Identifiers 1

Medicare PINBB146ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Won Cho M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Thomas Cho reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mountain View Urgent Care Group, Inc
12 mi
Emergency Medicine
16465 SIERRA LAKES PKWY, SUITE 100
Fontana, CA 92336
  • Reassigned Medicare billing, California enrollment
  • 95 clinicians in this Medicare group
NPI 1023306784 (909) 434-1150
Mountain View Emergency Physicians Medical Group, Inc.
22 mi
Emergency Medicine
999 SAN BERNARDINO RD
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 103 clinicians in this Medicare group
NPI 1619923653 (909) 985-2811
Cep America - California
28 mi
Emergency Medicine
1798 N. GAREY AVENUE
Pomona, CA 91767
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
NPI 1740235258 (909) 865-9500

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 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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
174 services164 patients
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.
157 services150 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
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.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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.

ELYSE LAUREN GURAN
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4015
SAMUEL COOK CHAMBI
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4015
LUIS MIGUEL OLMEDO TEMICH MD
General Practice
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-2822
HYUKJE SUNG MD, MA
Preventive Medicine (Occupational Medicine)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-6491
JEFFERSON BRANCH RICHARDS
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4074
JOSEPH UNIS M.D.
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-8311
MARINA LIU M.D.
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4475
JOSEPH M WILKINSON CRNA
Nurse Anesthetist, Certified Registered
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4475

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 Thomas Cho's NPI number?

The NPI number for Thomas Cho is 1366620940. It was assigned to this individual provider in the NPPES registry on February 5, 2008.

Where is Thomas Cho located?

Thomas Cho practices at 11234 Anderson St Llumc, House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-4000.

What is Thomas Cho's specialty?

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

Is Thomas Cho enrolled in Medicare?

Yes. Thomas Cho is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Cho's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Cho reassigns Medicare benefits to 3 organizations: Mountain View Urgent Care Group, Inc (Fontana, CA), Mountain View Emergency Physicians Medical Group, Inc. (Upland, CA) and Cep America - California (Pomona, CA). 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 Thomas Cho's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Cho was last updated on January 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.