Dr. John C. Lee, MD
- Medicare services, 2024
- 1,699
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 1,622
- Industry payments
- $206
- Affiliated sites
- 1
- Practice address
- 1508 E Florence Ave, Los Angeles, CA 90001
- Practice phone
- Call (323) 531-0915
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City Medical Group Inc
Los Angeles, 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. John C. Lee is an internist in Los Angeles, California
Dr. Lee practices at City Medical Group Inc in Los Angeles, California.
Dr. Lee's NPI, 1609816917, was assigned on June 7, 2006. Dr. Lee holds California license A37292.
- NPI
- 1609816917NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335101914
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 531-0915
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Lee practices at City Medical Group Inc in Los Angeles, California
Dr. Lee's primary practice is City Medical Group Inc, at 1508 E Florence Ave, Los Angeles, CA 90001 in Los Angeles County. The practice phone is (323) 531-0915.
- City Medical Group Inc1508 E Florence Ave, Los Angeles, CA 90001 · Los Angeles CountyPhone(323) 531-0915
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John C. Lee is affiliated with 2 sites of care and 1 medical group
Dr. Lee's primary practice is City Medical Group Inc in Los Angeles, California. The medical group on file is City Medical Clinic Group. Dmand AI also links Dr. Lee to 1 more group practice or clinic, 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. John C. Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. 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 licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
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. John C. Lee billed Medicare for 1,699 services in 2024
CMS data shows 1,699 Medicare services from Dr. Lee across 8 procedure codes in 2024, for 60 Medicare patients. Medicare paid $36,979 for them. Every service was in an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 02024: 1,480
- Other services
- 2023: 02024: 129
- Office and hospital visits
- 2023: 1072024: 9016%
Dr. Lee compared with the California median for internists, 2024
- Dr. Lee
- California median
- Medicare services
- 1,699vs 3614.7 times
- Medicare patients
- 60vs 15160% below
- Part D claims
- 1,299vs 4213.1 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.
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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. John C. Lee treated 60 Medicare patients in 2024, average age 75
CMS counts 60 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 1.52, 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 57, with 57% 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
- Women3253%
- Men2847%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes53%
- Chronic kidney disease45%
- Osteoporosis38%
- Ischemic heart disease37%
- Cancer23%
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 57
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John C. Lee wrote 1,622 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 1,622 Medicare Part D claims for 141 patients. 88% of them were for generic drugs. CMS names the drug for 1,299 of them, across 37 drugs with 11 or more claims each, at $63,773 in total drug cost. In 2023, CMS named 1,595 claims across 46 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic1,432 claims88%
- Brand-name170 claims10%
- Other20 claims1%
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
- Antibiotics3%54 of 1,622 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: 1,5952024: 1,29919%
Drugs named by CMS: 37 in 2024, 46 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. John C. 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)
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Dr. John C. Lee received $206 in industry payments from 2016 to 2024
CMS Open Payments shows 14 general payments to Dr. Lee from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 65% of the total. Amarin Pharma Inc. paid the most, $72.
General payments to Dr. Lee by program year, 2016 to 2024
General payments to Dr. Lee by kind, 2016 to 2024
- Food and beverage$13465%
- Education$7235%
Companies that paid Dr. Lee the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John C. 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) |
| 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. John C. 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. John C. Lee's NPI number?
Dr. John C. Lee's NPI number is 1609816917. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Lee?
Dr. John C. Lee is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John C. Lee practice?
Dr. Lee practices at 1508 E Florence Ave, Los Angeles, CA 90001. Dr. Lee's primary practice is City Medical Group Inc in Los Angeles, California. Dmand AI also links Dr. Lee to 1 group practice or clinic.
What is Dr. John C. Lee's office phone number?
The practice phone on file for Dr. Lee is (323) 531-0915.
What is Dr. John C. Lee's medical license number?
Dr. Lee holds California license A37292.
What medical group is Dr. John C. Lee part of?
Dr. Lee is linked to City Medical Clinic Group.
Does Dr. John C. Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 1,699 services in 2024, and Dr. Lee accepts Medicare assignment.
How many Medicare patients does Dr. John C. Lee see?
CMS counts 60 Medicare patients who saw Dr. Lee in 2024, with an average age of 75.
What services does Dr. John C. Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were physical therapy and rehabilitation (97110), physical therapy and rehabilitation (97140) and physical therapy and rehabilitation (97026).
What drugs does Dr. John C. Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. John C. Lee received payments from drug or device companies?
CMS Open Payments shows $206 in general payments to Dr. Lee from 6 companies from 2016 to 2024. The largest total came from Amarin Pharma Inc.
How long has Dr. John C. Lee been practicing?
Dr. Lee graduated from medical school in 1979, 47 years ago.
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