Dr. Richard Tsong Lee, MD
- Medicare services, 2024
- 112
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 61
- Publications
- 46
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Lee's professional email, personal email and mobile number
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Dr. Richard Tsong Lee is a medical oncologist in Duarte, California
Dr. Lee practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Lee's NPI, 1255503850, was assigned on March 24, 2008. Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2001. Dr. Lee's California license number on file is A80861.
- NPI
- 1255503850NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991780397
- NPI enumeration date
- March 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard Tsong Lee practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Lee's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Richard Tsong Lee is affiliated with 3 sites of care and 2 medical groups
Dr. Lee's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Lee to 1 more group practice or clinic, 1 other site and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Richard Tsong Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Tsong Lee is one of 415 medical oncologists in California
Medical oncology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Lee is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Lee's licenses on file in 4 states: California, Ohio, Texas and Illinois.
Specialties and state licenses
- Medical oncology, CaliforniaPrimary
- Hospice and palliative medicine (internal medicine), Ohio
- Texas license
- Hematology and oncology, Illinois
Clinical focus
Dmand AI lists breast cancer, chronic anemia, colorectal cancer, lung cancer and multiple myeloma among the conditions Dr. Lee treats.
Medical oncologists near Dr. Lee
Counts of medical oncologists 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. Richard Tsong Lee billed Medicare for 112 services in 2024
CMS data shows 112 Medicare services from Dr. Lee across 5 procedure codes in 2024, all of them office visits, for 69 Medicare patients. Medicare paid $11,514 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: 1382024: 11219%
Dr. Lee compared with the California median for medical oncologists, 2024
- Dr. Lee
- California median
- Medicare services
- 112vs 49677% below
- Medicare patients
- 69vs 15455% below
- Part D claims
- 55vs 14462% below
Medians across 358 medical oncologists 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. Richard Tsong Lee treated 69 Medicare patients in 2024, average age 72
CMS counts 69 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 39 patients. 68% of them have cancer, and 68% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.44, 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 66, with 69% 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
- Women4971%
- Men2029%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- Cancer68%
- High cholesterol68%
- High blood pressure65%
- Arthritis41%
- Anxiety38%
- Osteoporosis33%
- Diabetes30%
- Ischemic heart disease28%
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 66
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard Tsong Lee wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 61 Medicare Part D claims for 19 patients. 61% of them were for generic drugs. CMS names the drug for 55 of them, across 4 drugs with 11 or more claims each, at $483 in total drug cost. In 2021, CMS named 484 claims across 23 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic37 claims61%
- Brand-name24 claims39%
Dr. Lee's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 4842022: 5589%
Drugs named by CMS: 4 in 2022, 23 in 2021.
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. Richard Tsong Lee scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Lee for performance year 2024, reported as part of a group. 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
Dr. Lee's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Richard Tsong Lee has 46 publications on record
Dmand AI links 46 papers to Dr. Lee, published from 2008 to 2024. 2021 was the busiest year, with 7. The most frequent topics are Medical Oncology, Acupuncture Therapy and Antineoplastic Agents. Dr. Lee has published most often in Integr Cancer Ther. Dr. Lee's most frequent co-authors are Jennifer Leigh McQuade, MD, Eduardo D. Bruera, MD and Asrar A. Alahmadi, MD.
Dr. Lee's papers by year, 2011 to 2024
Topics Dr. Lee writes about most
- Medical Oncology
- Acupuncture Therapy
- Antineoplastic Agents
- Complementary Therapies
- Pain
- Breast Neoplasms
- Carcinoma, Hepatocellular
- Integrative Medicine
Dr. Lee's most frequent co-authors
- Jennifer Leigh McQuade, MD6 shared papers
- Eduardo D. Bruera, MD4 shared papers
- Asrar A. Alahmadi, MD3 shared papers
Recent publications by Dr. Lee
J Integr Complement Med
Support Care Cancer
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 medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Richard Tsong Lee received $2,011 in industry payments from 2016 to 2024
CMS Open Payments shows 76 general payments to Dr. Lee from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 69% of the total. Medtronic Vascular, Inc. paid the most, $1,189.
General payments to Dr. Lee by program year, 2016 to 2024
General payments to Dr. Lee by kind, 2016 to 2024
- Food and beverage$1,38769%
- Travel and lodging$62431%
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
Dr. Richard Tsong Lee graduated from George Washington University School of Medicine and Health Sciences
Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2001. Dr. Lee is a member of ASCO and Society for Integrative Oncology.
- Medical school
- Board certified in hematology
- Board certified in hospice and palliative medicine
- Board certified in medical oncology
- Board certified in hematology/oncology
- Board certified in hospice and palliative medicine (caq)
Source: Dmand AI Professional Profile Data
Dr. Richard Tsong Lee accepts plans from 12 insurance carriers
Dr. Lee is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- Medicare8
- PPO8
- HMO5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard Tsong 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 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)Clinician Public Reporting: Overall MIPS Performance (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. Richard Tsong 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. Richard Tsong Lee's NPI number?
Dr. Richard Tsong Lee's NPI number is 1255503850. It was assigned on March 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Tsong Lee?
Dr. Richard Tsong Lee is a medical oncologist in Duarte, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Richard Tsong Lee practice?
Dr. Lee practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Lee's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Lee to 1 group practice or clinic, 1 other site and 1 medical group.
What is Dr. Richard Tsong Lee's office phone number?
The practice phone on file for Dr. Lee is (800) 826-4673.
What is Dr. Richard Tsong Lee's medical license number?
Dr. Lee's California license number on file is A80861, one of the licenses on file in 4 states.
Which states has Dr. Richard Tsong Lee been licensed in?
Dmand AI has state licenses on file for Dr. Lee in California (2002 to 2025), Ohio (since 2022), Texas (2009 to 2016) and Illinois (2004 to 2011).
What medical group is Dr. Richard Tsong Lee part of?
Dr. Lee is linked to City of Hope. Dmand AI links Dr. Lee to 1 more medical group.
Does Dr. Richard Tsong Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 112 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Richard Tsong Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
What is Dr. Richard Tsong Lee's MIPS score?
Dr. Lee's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Richard Tsong Lee see?
CMS counts 69 Medicare patients who saw Dr. Lee in 2024, with an average age of 72.
Is Dr. Richard Tsong Lee board certified?
Yes. Dr. Lee is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Richard Tsong Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Dr. Richard Tsong Lee go to medical school?
Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2001.
What drugs does Dr. Richard Tsong Lee prescribe most?
In 2022 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Meclizine HCl and Escitalopram Oxalate.
Has Dr. Richard Tsong Lee received payments from drug or device companies?
CMS Open Payments shows $2,011 in general payments to Dr. Lee from 8 companies from 2016 to 2024. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Richard Tsong Lee been practicing?
Dr. Lee graduated from medical school in 2001, 25 years ago.
Does Dr. Richard Tsong Lee do research?
Dmand AI links 46 publications to Dr. Lee, published from 2008 to 2024.
Who does Dr. Richard Tsong Lee publish with?
Dr. Lee's most frequent co-authors are Jennifer Leigh McQuade, MD (6 shared papers), Eduardo D. Bruera, MD (4 shared papers) and Asrar A. Alahmadi, MD (3 shared papers).
What insurance does Dr. Richard Tsong Lee accept?
Dr. Lee is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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