Dr. Hong Seok Lee, MD
- Medicare services, 2024
- 1,489
- Medicare patients, 2024
- 1,067
- Part D claims, 2024
- 1,456
- Hospital affiliations
- 9
- Industry payments
- $1,325
- Practice address
- 100 S Raymond Ave, Alhambra, CA 91801
- Practice phone
- Call (626) 570-1606
- 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. Hong Seok Lee is a hospitalist in Alhambra, California
Dr. Lee practices at Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare.
Dr. Lee's NPI, 1750767273, was assigned on August 6, 2015. Dr. Lee holds California license A143427.
- NPI
- 1750767273NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890074322
- NPI enumeration date
- August 6, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 570-1606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hong Seok Lee practices at Alhambra Hospital Medical Center in Alhambra, California
Dr. Lee's primary practice is Alhambra Hospital Medical Center, at 100 S Raymond Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 570-1606.
- Alhambra Hospital Medical Center100 S Raymond Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 570-1606
Source: Dmand AI Affiliation Data
Dr. Hong Seok Lee is affiliated with 13 sites of care and 20 medical groups
Dr. Lee's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dr. Lee is also affiliated with Banner - University Medical Center Phoenix. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Lee to 7 more hospitals, 19 medical groups, 2 group practices and clinics, 1 therapy and rehab clinic and 1 skilled nursing facility, 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. Hong Seok Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alhambra Hospital Medical Center | Available with a free account |
| +12 more sites and 19 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hong Seok Lee is one of 3,186 hospitalists in California
Hospitalist is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lee is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Lee
Counts of hospitalists 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. Hong Seok Lee billed Medicare for 1,489 services in 2024
CMS data shows 1,489 Medicare services from Dr. Lee across 19 procedure codes in 2024, for 1,067 Medicare patients. Medicare paid $104,388 for them.
Dr. Lee's Medicare services by type, 2024
- Office and hospital visits846
- Tests and treatments592
- Imaging51
Where Dr. Lee's Medicare services took place, 2024
- In an office997%
- In a facility1,39093%
Dr. Lee compared with the California median for hospitalists, 2024
- Dr. Lee
- California median
- Medicare services
- 1,489vs 4303.5 times
- Medicare patients
- 1,067vs 2015.3 times
- Part D claims
- 1,202vs 6917.4 times
Medians across 2,991 hospitalists 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hong Seok Lee treated 1,067 Medicare patients in 2024, average age 75
CMS counts 1,067 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 393 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.85, 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 63, with 48% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women54451%
- Men52349%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Heart failure54%
- Arthritis51%
- Chronic kidney disease51%
- Diabetes51%
- Atrial fibrillation42%
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 63
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hong Seok Lee wrote 1,456 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 1,456 Medicare Part D claims for 310 patients. 78% of them were for generic drugs. CMS names the drug for 1,202 of them, across 26 drugs with 11 or more claims each, at $335,577 in total drug cost.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic1,138 claims78%
- Brand-name318 claims22%
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
- Antibiotics2%36 of 1,456 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Hong Seok 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
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Hong Seok Lee received $1,325 in industry payments from 2024 to 2025
CMS Open Payments shows 10 general payments to Dr. Lee from 4 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 87% of the total. Edwards Lifesciences Corporation paid the most, $1,222.
General payments to Dr. Lee by program year, 2024 to 2025
General payments to Dr. Lee by kind, 2024 to 2025
- Travel and lodging$1,15087%
- Food and beverage$17513%
Companies that paid Dr. Lee the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Hong Seok 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Hong Seok 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. Hong Seok Lee's NPI number?
Dr. Hong Seok Lee's NPI number is 1750767273. It was assigned on August 6, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Hong Seok Lee?
Dr. Hong Seok Lee is a hospitalist in Alhambra, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Hong Seok Lee practice?
Dr. Lee practices at 100 S Raymond Ave, Alhambra, CA 91801. Dr. Lee's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dmand AI also links Dr. Lee to 7 hospitals, 19 medical groups, 2 group practices and clinics, 1 therapy and rehab clinic and 1 skilled nursing facility.
What is Dr. Hong Seok Lee's office phone number?
The practice phone on file for Dr. Lee is (626) 570-1606.
What is Dr. Hong Seok Lee's medical license number?
Dr. Lee holds California license A143427, one of 2 state licenses on file.
Which hospitals is Dr. Hong Seok Lee affiliated with?
Dr. Lee practices at Alhambra Hospital Medical Center in Alhambra, California. Dr. Lee is also affiliated with Banner - University Medical Center Phoenix. Dmand AI links Dr. Lee to 7 more hospitals.
What medical group is Dr. Hong Seok Lee part of?
Dr. Lee is linked to Cedars-Sinai Medical Group. Dmand AI links Dr. Lee to 19 more medical groups.
Does Dr. Hong Seok Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 1,489 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Hong Seok Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
How many Medicare patients does Dr. Hong Seok Lee see?
CMS counts 1,067 Medicare patients who saw Dr. Lee in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Hong Seok Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were heart test or procedure (93306), hospital inpatient care (99222) and hospital inpatient care (99223).
What drugs does Dr. Hong Seok Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Amlodipine Besylate, Metoprolol Succinate and Atorvastatin Calcium.
Has Dr. Hong Seok Lee received payments from drug or device companies?
CMS Open Payments shows $1,325 in general payments to Dr. Lee from 4 companies from 2024 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Hong Seok Lee been practicing?
Dr. Lee graduated from medical school in 2008, 18 years ago.
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