Isaac Joon Choi, M.D.
Emergency Medicine Physician · Dallas, TX
Isaac Joon Choi, M.D. is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1811170913, issued on Dec 11, 2007. Check the license (Texas PEND, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isaac Joon Choi
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- PEND TX
Self-reported in NPPES; status is on the state search - Practice location
- 9229 Lbj Fwy, Dallas, TX 75243
- Phone
- (972) 739-3019
- Enumerated
- Dec 11, 2007
- Record last updated
- Jul 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (469) 675-6379
- Medicare enrollment
- Enrolled (PECOS I20090727000424); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 9229 Lbj Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danita Loftis, PA-CPhysician Assistant1922253996
- Rebecca McKintosh, ACNPAcute Care Nurse Practitioner1831185925
- Sanjay Pattani, M.D.Emergency Medicine Physician1295785053
- John Rowland, MDAnatomic Pathology & Clinical Pathology Physician1437154994
Verify Isaac Joon Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license PENDCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average emergency medicine physician in 2024
553 Medicare Part D claims for 347 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 71 claims were for opioids.
Most prescribed
- Cefdinir47 claims
- Tramadol Hcl47 claims
- Prednisone41 claims
- Ondansetron Odt32 claims
- Azithromycin28 claims
- Albuterol Sulfate Hfa26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Jefferson Emergency Physicians PLLCBeaumont, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Joon Choi among 4,885 emergency medicine physician records in Texas
Isaac Joon Choi, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2006 · median 2013 among the 2,779 with a school on file
- Record last updated2009 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
512 emergency medicine physician records list a practice address in Dallas
They are 512 of the 36,304 NPPES records with a practice address in Dallas, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Dallas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ronald Hellstern, MDDallas, TX 752431750425096
- Sanjay Pattani, M.D.Dallas, TX 752431295785053
- Marguerite Broyles, DODallas, TX 752441528357142
- Bryan Chen, MDDallas, TX 752441669035697
- Naveed Hoda, MDDallas, TX 752441225698848
- Timothy Livengood, M.D.Dallas, TX 752441619172624
- Mariah Mithaiwala, DODallas, TX 752441578823324
- Joaquin Peralta, MDDallas, TX 752441336721885
Common questions
What is Isaac Joon Choi, M.D.'s NPI number?
Isaac Joon Choi, M.D.'s National Provider Identifier (NPI) is 1811170913, issued on Dec 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Joon Choi, M.D. located?
The NPPES record lists a practice address at 9229 Lbj Fwy, Dallas, TX, 75243. Phone: (972) 739-3019. Providers update this record themselves, so call before visiting.
How can I verify Isaac Joon Choi, M.D.'s license?
NPPES lists Texas license number PEND, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isaac Joon Choi, M.D. prescribe under Medicare Part D?
In 2024, Isaac Joon Choi, M.D. had 553 Medicare Part D claims for 347 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Isaac Joon Choi, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.