Chuan-Ju Gwendolyn Pan, M.D.
Hematology & Oncology Physician · Orange, CA
Chuan-Ju Gwendolyn Pan, M.D. is a hematology & oncology physician with a practice address in Orange, California, and NPI 1609003961, issued on Jun 14, 2009. Check the license (California A110998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chuan-Ju Gwendolyn Pan
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A110998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 W LA Veta Ave, Orange, CA 92868
- Phone
- (714) 541-6622
- Enumerated
- Jun 14, 2009
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 541-0531
- Entity
- Type 1 · individual
Also registered at 1010 W LA Veta Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alaa Abousaif, MDGastroenterology Physician1235124108
- Gurpreet Ahuja, MDOtolaryngology Physician1013970169
- Tyler Ayalin, M.D.Emergency Medicine Physician1124274915
- Birbal Bhaskar, M.D.Specialist1194773168
- Michele Carpenter, M.D.Specialist1770543712
- Daniel ChiuGerontology Nurse Practitioner1427419530
Verify Chuan-Ju Gwendolyn Pan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
127 Medicare Part D claims for 22 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Anastrozole34 claims
- Tagrisso12 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.
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Chuan-Ju Gwendolyn Pan, M.D.'s NPI number?
Chuan-Ju Gwendolyn Pan, M.D.'s National Provider Identifier (NPI) is 1609003961, issued on Jun 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chuan-Ju Gwendolyn Pan, M.D. located?
The NPPES record lists a practice address at 1010 W LA Veta Ave, Orange, CA, 92868. Phone: (714) 541-6622. Providers update this record themselves, so call before visiting.
How can I verify Chuan-Ju Gwendolyn Pan, M.D.'s license?
NPPES lists California license number A110998, 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 Chuan-Ju Gwendolyn Pan, M.D. prescribe under Medicare Part D?
In 2024, Chuan-Ju Gwendolyn Pan, M.D. had 127 Medicare Part D claims for 22 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.