Howard Jinsoo Lee, MD
Hematology & Oncology Physician · Sunnyvale, CA
Howard Jinsoo Lee, MD is a hematology & oncology physician with a practice address in Sunnyvale, California, and NPI 1265992689, issued on Mar 21, 2019. Check the license (California A177574, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Howard Jinsoo Lee
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A177574 CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Old San Francisco RD, Sunnyvale, CA 94086
- Phone
- (408) 730-2800
- Enumerated
- Mar 21, 2019
- Record last updated
- Mar 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20250514001669); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 301 Old San Francisco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
- Aisha AminInternal Medicine Physician1013440981
- Joyce Ang, MDPediatrics Physician1346634698
- Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709
Verify Howard Jinsoo Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
27 Medicare Part D claims for 13 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Sutter Bay Medical FoundationMountain View, CA
- Ucsf Medical Group Business ServicesBurlingame, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Jinsoo Lee among 1,583 hematology & oncology physician records in California
Howard Jinsoo Lee, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2003 among the 1,124 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Sunnyvale → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Eunpi Cho, M.D.Sunnyvale, CA 940861326223256
- Monique De Bruin, M.D.Sunnyvale, CA 940861457532731
- Tanya Gupta, MDSunnyvale, CA 940861154741031
- Huy Nguyen, MDSunnyvale, CA 940861770659252
- Susan Lessin, M.D.Sunnyvale, CA 940851629066618
- Rafael Gonzalez-Amado, MDSouth San Francisco, CA 940801639194848
- Jesse McGreivy, M.D.South San Francisco, CA 940801659657500
- Arturo Molina, M.D.South San Francisco, CA 940801225498835
Common questions
What is Howard Jinsoo Lee, MD's NPI number?
Howard Jinsoo Lee, MD's National Provider Identifier (NPI) is 1265992689, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Howard Jinsoo Lee, MD located?
The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-2800. Providers update this record themselves, so call before visiting.
How can I verify Howard Jinsoo Lee, MD's license?
NPPES lists California license number A177574, 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 Howard Jinsoo Lee, MD prescribe under Medicare Part D?
In 2024, Howard Jinsoo Lee, MD had 27 Medicare Part D claims for 13 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.