Dr. Simon Kwanmin Lee, MD
- Medicare services, 2024
- 8,317
- Medicare patients, 2024
- 530
- Part D claims, 2024
- 18,804
- Hospital affiliations
- 4
- Industry payments
- $38,062
- Practice address
- 950 Stockton St, San Francisco, CA 94108
- Practice phone
- Call (415) 837-0888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Simon Lee M D a Professional Corp
San Francisco, California
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. Simon Kwanmin Lee is an internist in San Francisco, California
Dr. Lee practices at Simon Lee M D a Professional Corp in San Francisco, California.
Dr. Lee's NPI, 1275532145, was assigned on July 21, 2005. Dr. Lee graduated from Renaissance School of Medicine at Stony Brook University in 1993. Dr. Lee holds California license G83169.
- NPI
- 1275532145NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739131236
- NPI enumeration date
- July 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 837-0888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Simon Kwanmin Lee practices at Simon Lee M D a Professional Corp in San Francisco, California
Dr. Lee's primary practice is Simon Lee M D a Professional Corp, at 950 Stockton St, San Francisco, CA 94108 in San Francisco County. The practice phone is (415) 837-0888.
- Simon Lee M D a Professional Corp950 Stockton St, San Francisco, CA 94108 · San Francisco CountyPhone(415) 837-0888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Simon Kwanmin Lee is affiliated with 13 sites of care and 2 medical groups
Dr. Lee's primary practice is Simon Lee M D a Professional Corp in San Francisco, California. Dr. Lee is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is Simon Lee MD A Professional Corp. Dmand AI also links Dr. Lee to 3 more hospitals, 5 home health agencies, 2 group practices and clinics, 1 physician office and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Simon Kwanmin Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Simon Lee M D a Professional Corp | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Simon Kwanmin Lee is one of 16,751 internists in California
Internal medicine is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lee is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lee's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute mini-stroke (TIA), acute skin infection, aneurysm, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Lee treats.
Internists near Dr. Lee
Counts of internists 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. Simon Kwanmin Lee billed Medicare for 8,317 services in 2024
CMS data shows 8,317 Medicare services from Dr. Lee across 31 procedure codes in 2024, for 530 Medicare patients. Medicare paid $579,296 for them. Every service was in an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5,6782024: 5,4145%
- Other services
- 2023: 2,0752024: 2,1112%
- Tests and treatments
- 2023: 6872024: 6367%
- Drugs given in the office
- 2023: 1772024: 15612%
Dr. Lee compared with the California median for internists, 2024
- Dr. Lee
- California median
- Medicare services
- 8,317vs 36123.0 times
- Medicare patients
- 530vs 1513.5 times
- Part D claims
- 17,883vs 42142.5 times
Medians across 15,815 internists in California 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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Simon Kwanmin Lee treated 530 Medicare patients in 2024, average age 78
CMS counts 530 Medicare patients who saw Dr. Lee in 2024. The largest group is 75 to 84, with 199 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 70, with 51% women.
Dr. Lee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lee's Medicare patients by sex, 2024
- Women31058%
- Men22042%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes42%
- Arthritis33%
- Osteoporosis28%
- Chronic kidney disease24%
- COPD16%
- Depression16%
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 70
Patient panel by sex, all payers
- Women51%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Simon Kwanmin Lee wrote 18,804 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 18,804 Medicare Part D claims for 1,289 patients. 88% of them were for generic drugs. CMS names the drug for 17,883 of them, across 176 drugs with 11 or more claims each, at $2,035,287 in total drug cost. In 2023, CMS named 16,634 claims across 170 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic16,515 claims88%
- Brand-name2,207 claims12%
- Other82 claims0%
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
- Opioids0%45 of 18,804 claims
- Antibiotics2%439 of 18,804 claims
- Antipsychotics, patients 65 and over0%69 of 18,804 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: 16,6342024: 17,8838%
Drugs named by CMS: 176 in 2024, 170 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
Dr. Simon Kwanmin Lee offers telehealth to Medicare patients
Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Simon Kwanmin Lee received $38,062 in industry payments from 2016 to 2025
CMS Open Payments shows 1,082 general payments to Dr. Lee from 59 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $6,264.
General payments to Dr. Lee by program year, 2016 to 2025
General payments to Dr. Lee by kind, 2016 to 2025
- Food and beverage$37,63199%
- Speaker and faculty fees$4001%
- Education$320%
Companies that paid Dr. Lee the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Simon Kwanmin Lee graduated from Renaissance School of Medicine at Stony Brook University
Dr. Lee graduated from Renaissance School of Medicine at Stony Brook University in 1993. Dr. Lee is a member of ACP and AMA.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Simon Kwanmin Lee accepts plans from 14 insurance carriers
Dr. Lee is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- Medicare10
- PPO8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Simon Kwanmin 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Simon Kwanmin 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. Simon Kwanmin Lee's NPI number?
Dr. Simon Kwanmin Lee's NPI number is 1275532145. It was assigned on July 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Simon Kwanmin Lee?
Dr. Simon Kwanmin Lee is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Simon Kwanmin Lee practice?
Dr. Lee practices at 950 Stockton St, San Francisco, CA 94108. Dr. Lee's primary practice is Simon Lee M D a Professional Corp in San Francisco, California. Dmand AI also links Dr. Lee to 3 hospitals, 5 home health agencies, 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Simon Kwanmin Lee's office phone number?
The practice phone on file for Dr. Lee is (415) 837-0888.
What is Dr. Simon Kwanmin Lee's medical license number?
Dr. Lee holds California license G83169, one of the licenses on file in 2 states.
Which states has Dr. Simon Kwanmin Lee been licensed in?
Dmand AI has state licenses on file for Dr. Lee in California (1996 to 2026) and New York (1994 to 1996).
Which hospitals is Dr. Simon Kwanmin Lee affiliated with?
Dr. Lee is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Lee to 3 more hospitals.
What medical group is Dr. Simon Kwanmin Lee part of?
Dr. Lee is linked to Simon Lee MD A Professional Corp. Dmand AI links Dr. Lee to 1 more medical group.
Does Dr. Simon Kwanmin Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 8,317 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Simon Kwanmin Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Simon Kwanmin Lee see?
CMS counts 530 Medicare patients who saw Dr. Lee in 2024, with an average age of 78.
Is Dr. Simon Kwanmin Lee board certified?
Yes. Dr. Lee is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Simon Kwanmin Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and care management and other visits (99490).
Where did Dr. Simon Kwanmin Lee go to medical school?
Dr. Lee graduated from Renaissance School of Medicine at Stony Brook University in 1993.
What drugs does Dr. Simon Kwanmin Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Simon Kwanmin Lee received payments from drug or device companies?
CMS Open Payments shows $38,062 in general payments to Dr. Lee from 59 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Simon Kwanmin Lee been practicing?
Dr. Lee graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Simon Kwanmin Lee accept?
Dr. Lee is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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