Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Isaac Joon Choi, MD

Individual provider Emergency Medicine Physician · NPI 1811170913

Isaac Joon Choi, MD practises Emergency Medicine in Dallas, Texas. Qualified in 2006, 20 years ago. Practices with Jefferson Emergency Physicians PLLC, a 95-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
20
Licensed in
TX
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9229 Lbj Fwy
Dallas, TX 75243-3405 Not confirmed with CMS for 17 years — call before visiting
Phone: (972) 739-3019
Fax: (469) 675-6379
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence PEND (TX)

Record details

NPI number1811170913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 11, 2007
Last updated in NPPESJuly 21, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Jefferson Emergency Physicians Pllc — 95 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients596
Services billed 921 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Jefferson Emergency Physicians PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 95 clinicians in the practice; 12 are shown here.

Other providers in Dallas