Dr. Samuel Siwon Lee, MD, MS
- Medicare services, 2024
- 603
- Medicare patients, 2024
- 412
- Part D claims, 2024
- 346
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 18500 Katy Freeway, Houston, TX 77094
- Practice phone
- Call (832) 522-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Samuel Siwon Lee is an emergency medicine physician in Houston, Texas
Dr. Lee practices at Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist.
Dr. Lee's NPI, 1871947143, was assigned on April 22, 2016. Dr. Lee graduated from Emory School of Medicine in 2016. Dr. Lee holds Texas license R5282.
- NPI
- 1871947143NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890057236
- NPI enumeration date
- April 22, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (832) 522-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel Siwon Lee practices at Houston Methodist West Hospital in Houston, Texas
Dr. Lee's primary practice is Houston Methodist West Hospital, at 18500 Katy Freeway, Houston, TX 77094 in Harris County. The practice phone is (832) 522-1000.
- Houston Methodist West Hospital18500 Katy Freeway, Houston, TX 77094 · Harris CountyPhone(832) 522-1000
Source: Dmand AI Affiliation Data
Dr. Samuel Siwon Lee is affiliated with 5 sites of care and 4 medical groups
Dr. Lee's primary practice is Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist. Dr. Lee is also affiliated with Houston Methodist Clear Lake Hospital. The medical group on file is Concord Medical Group. Dmand AI also links Dr. Lee to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samuel Siwon Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Methodist West Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Houston Methodist and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Samuel Siwon Lee is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lee is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Lee is licensed in Texas.
Specialties and state licenses
- Emergency medicine, TexasPrimary
Emergency medicine physicians near Dr. Lee
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Samuel Siwon Lee billed Medicare for 603 services in 2024
CMS data shows 603 Medicare services from Dr. Lee across 5 procedure codes in 2024, for 412 Medicare patients. Medicare paid $54,130 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4152024: 4222%
- Tests and treatments
- 2023: 1892024: 1814%
Dr. Lee compared with the Texas median for emergency medicine physicians, 2024
- Dr. Lee
- Texas median
- Medicare services
- 603vs 2252.7 times
- Medicare patients
- 412vs 2062.0 times
- Part D claims
- 168vs 742.3 times
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lee?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel Siwon Lee treated 412 Medicare patients in 2024, average age 75
CMS counts 412 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 65, with 59% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women23457%
- Men17843%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Arthritis55%
- Chronic kidney disease48%
- Diabetes46%
- Heart failure45%
- Anxiety38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samuel Siwon Lee wrote 346 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 346 Medicare Part D claims for 244 patients. 95% of them were for generic drugs. CMS names the drug for 168 of them, across 8 drugs with 11 or more claims each, at $783 in total drug cost. In 2023, CMS named 143 claims across 7 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic328 claims95%
- Brand-name18 claims5%
Dr. Lee's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lee's Part D claims, 2024
- Opioids21%72 of 346 claims
- Antibiotics15%53 of 346 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1432024: 16817%
Drugs named by CMS: 8 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Samuel Siwon Lee takes part in Medicare
Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Samuel Siwon Lee has 2 publications on record
Dmand AI links 2 papers to Dr. Lee in 2017.
Recent publications by Dr. Lee
See who Dr. Lee researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lee works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Samuel Siwon Lee received $171 in industry payments from 2019 to 2022
CMS Open Payments shows 5 general payments to Dr. Lee from 4 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $113.
General payments to Dr. Lee by program year, 2019 to 2022
Companies that paid Dr. Lee the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samuel Siwon Lee graduated from Emory School of Medicine
Dr. Lee graduated from Emory School of Medicine in 2016.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Samuel Siwon Lee accepts plans from 20 insurance carriers
Dr. Lee is in network with 20 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Molina
- +12 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Samuel Siwon Lee's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Samuel Siwon Lee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Samuel Siwon Lee's NPI number?
Dr. Samuel Siwon Lee's NPI number is 1871947143. It was assigned on April 22, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel Siwon Lee?
Dr. Samuel Siwon Lee is an emergency medicine physician in Houston, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Samuel Siwon Lee practice?
Dr. Lee practices at 18500 Katy Freeway, Houston, TX 77094. Dr. Lee's primary practice is Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist. Dmand AI also links Dr. Lee to 3 group practices and clinics and 3 medical groups.
What is Dr. Samuel Siwon Lee's office phone number?
The practice phone on file for Dr. Lee is (832) 522-1000.
What is Dr. Samuel Siwon Lee's medical license number?
Dr. Lee holds Texas license R5282.
Which hospitals is Dr. Samuel Siwon Lee affiliated with?
Dr. Lee practices at Houston Methodist West Hospital in Houston, Texas. Dr. Lee is also affiliated with Houston Methodist Clear Lake Hospital.
What medical group is Dr. Samuel Siwon Lee part of?
Dr. Lee is linked to Concord Medical Group. Dmand AI links Dr. Lee to 3 more medical groups.
Does Dr. Samuel Siwon Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 603 services in 2024, and Dr. Lee accepts Medicare assignment.
How many Medicare patients does Dr. Samuel Siwon Lee see?
CMS counts 412 Medicare patients who saw Dr. Lee in 2024, with an average age of 75.
Is Dr. Samuel Siwon Lee board certified?
Yes. Dr. Lee is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Samuel Siwon Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Samuel Siwon Lee go to medical school?
Dr. Lee graduated from Emory School of Medicine in 2016.
What drugs does Dr. Samuel Siwon Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Ondansetron ODT, Hydrocodone-Acetaminophen and Acetaminophen-Codeine.
Has Dr. Samuel Siwon Lee received payments from drug or device companies?
CMS Open Payments shows $171 in general payments to Dr. Lee from 4 companies from 2019 to 2022. The largest total came from Inari Medical, Inc.
How long has Dr. Samuel Siwon Lee been practicing?
Dr. Lee graduated from medical school in 2016, 10 years ago.
Does Dr. Samuel Siwon Lee do research?
Dmand AI links 2 publications to Dr. Lee.
What insurance does Dr. Samuel Siwon Lee accept?
Dr. Lee is in network with 20 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card