Matthew C. Lee, MD
Medical Oncology Physician · Duarte, CA
Matthew C. Lee, MD is a medical oncology physician with a practice address in Duarte, California, and NPI 1598296469, issued on Mar 23, 2017. Check the license (California A199265, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew C. Lee
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- A199265 CA
304241 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (800) 826-4673
- Enumerated
- Mar 23, 2017
- Record last updated
- Nov 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20241118003355); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 1500 Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michelle Afkhami, M.D.Hematology (Pathology) Physician1326230228
- Vaibhav Agrawal, M.D.Hematology & Oncology Physician1538402565
Verify Matthew C. Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A199265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average medical oncology physician in 2024
387 Medicare Part D claims for 50 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 41 claims were for opioids.
Most prescribed
- Mirtazapine41 claims
- Oxycodone-Acetaminophen32 claims
- Loperamide30 claims
- Tagrisso27 claims
- Ondansetron Hcl25 claims
- Pantoprazole Sodium17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $74.82
1 payment: food and beverage; the largest payer was Pharmacosmos Therapeutics Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- City OF Hope Medical FoundationDuarte, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew C. Lee among 447 medical oncology physician records in California
Matthew C. Lee, MD is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2017 · median 2004 among the 312 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 medical oncology physician records list a practice address in Duarte
They are 48 of the 1,287 NPPES records with a practice address in Duarte, and 447 medical oncology physician records in California.
All 447 in California → Every provider in Duarte → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Linda Bosserman, M.D., F.A.C.PDuarte, CA 910101346289824
- Cathie Chung, M.D.Duarte, CA 910101679599914
- Lee Cranmer, MD, PHDDuarte, CA 910101861465759
- Tanya Dorff, M.D.Duarte, CA 910101508879115
- Manana Elia, M.D.Duarte, CA 910101609841816
- Marwan Fakih, MDDuarte, CA 910101861498271
- Marianna Koczywas, MDDuarte, CA 910101639286677
- Dean Lim, MDDuarte, CA 910101790892735
Common questions
What is Matthew C. Lee, MD's NPI number?
Matthew C. Lee, MD's National Provider Identifier (NPI) is 1598296469, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew C. Lee, MD located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (800) 826-4673. Providers update this record themselves, so call before visiting.
How can I verify Matthew C. Lee, MD's license?
NPPES lists California license number A199265, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew C. Lee, MD prescribe under Medicare Part D?
In 2024, Matthew C. Lee, MD had 387 Medicare Part D claims for 50 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Matthew C. Lee, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.