Samuel Siwon Lee, M.D., MSC
Emergency Medicine Physician · Dallas, TX
Samuel Siwon Lee, M.D., MSC is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1871947143, issued on Apr 22, 2016. Check the license (Texas R5282, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Samuel Siwon Lee
- Credential
- M.D., MSC
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R5282 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5323 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 590-8000
- Enumerated
- Apr 22, 2016
- Record last updated
- Mar 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180322000840); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 5323 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samuel Siwon Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average emergency medicine physician in 2024
346 Medicare Part D claims for 244 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. 72 claims were for opioids.
Most prescribed
- Ondansetron Odt32 claims
- Hydrocodone-Acetaminophen31 claims
- Acetaminophen-Codeine27 claims
- Naproxen26 claims
- Sucralfate15 claims
- Prednisone13 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.
Bills Medicare through one group practice
- Travis County Emergency Physicians PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Siwon Lee among 4,885 emergency medicine physician records in Texas
Samuel Siwon Lee, M.D., MSC 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 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 2,779 with a school on file
- Record last updated2018 · 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
- Kevin Allen, MDDallas, TX 753901265407092
- Patrick Brown, MDDallas, TX 753901184670978
- Solisis Deynes, MDDallas, TX 753901063438174
- Deborah Diercks, MDDallas, TX 753901326021619
- Angela Fulgham-Gardner, MDDallas, TX 753901538145297
- Ahamed Idris, MDDallas, TX 753901164485850
- S Marshal Isaacs, MDDallas, TX 753901386688281
- Kurt Kleinschmidt, MDDallas, TX 753901487617163
Common questions
What is Samuel Siwon Lee, M.D., MSC's NPI number?
Samuel Siwon Lee, M.D., MSC's National Provider Identifier (NPI) is 1871947143, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Siwon Lee, M.D., MSC located?
The NPPES record lists a practice address at 5323 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 590-8000. Providers update this record themselves, so call before visiting.
How can I verify Samuel Siwon Lee, M.D., MSC's license?
NPPES lists Texas license number R5282, 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 Samuel Siwon Lee, M.D., MSC prescribe under Medicare Part D?
In 2024, Samuel Siwon Lee, M.D., MSC had 346 Medicare Part D claims for 244 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.