Jessica Yan, M.D.
Hematology & Oncology Physician · Torrance, CA
Jessica Yan, M.D. is a hematology & oncology physician with a practice address in Torrance, California, and NPI 1881956191, issued on Jun 12, 2012. Check the license (California 141879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jessica Yan
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 141879 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St # N16, Torrance, CA 90502
- Phone
- (310) 222-2217
- Enumerated
- Jun 12, 2012
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 320-2564
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Jessica Yan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 141879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
501 Medicare Part D claims for 131 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 19 claims were for opioids.
Most prescribed
- Letrozole154 claims
- Anastrozole37 claims
- Dexamethasone35 claims
- Hydroxyurea28 claims
- Kisqali16 claims
- Prednisone15 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.
Industry payments in 2024: $119.34
5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Jessica Yan among 1,583 hematology & oncology physician records in California
Jessica Yan, M.D. 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2021 · 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 Torrance → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Bryan Chan, MD, MPHTorrance, CA 905021518699982
- Rowan Chlebowski, M.D., PHDTorrance, CA 905021902876386
- Marcin Dragan, M.D.Torrance, CA 905021508354358
- Charity Huang, MDTorrance, CA 905021891157657
- Andrew Hwang, MDTorrance, CA 905021154858694
- Jennifer Lee, M.D.Torrance, CA 905021164798062
- Yenmay LouTorrance, CA 905021679766042
- Yutaka Niihara, M.D.Torrance, CA 905021467480459
Common questions
What is Jessica Yan, M.D.'s NPI number?
Jessica Yan, M.D.'s National Provider Identifier (NPI) is 1881956191, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Yan, M.D. located?
The NPPES record lists a practice address at 1000 W Carson St # N16, Torrance, CA, 90502. Phone: (310) 222-2217. Providers update this record themselves, so call before visiting.
How can I verify Jessica Yan, M.D.'s license?
NPPES lists California license number 141879, 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 Jessica Yan, M.D. prescribe under Medicare Part D?
In 2024, Jessica Yan, M.D. had 501 Medicare Part D claims for 131 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.