Xinyu Nan, M.D.
Hematology & Oncology Physician · Orange, CA
Xinyu Nan, M.D. is a hematology & oncology physician with a practice address in Orange, California, and NPI 1326458175, issued on May 2, 2014. Check the license (California A148056, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Xinyu Nan
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A148056 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 W LA Veta Ave Ste 250, Orange, CA 92868
- Phone
- (714) 541-6622
- Enumerated
- May 2, 2014
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 541-0531
- Medicare enrollment
- Enrolled (PECOS I20200826003439); accepts Medicare assignment
- 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 1010 W LA Veta Ave Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sam Huang, M.D.Hematology & Oncology Physician1841248812
- Tariq Mahmood, M.D.Hematology & Oncology Physician1104874171
- Annie Vu, PA-CPhysician Assistant1336738046
Verify Xinyu Nan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148056Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,463 Medicare Part D claims for 245 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Anastrozole171 claims
- Eliquis167 claims
- Ondansetron Odt67 claims
- Acyclovir65 claims
- Prednisone65 claims
- Prochlorperazine Maleate60 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: $6,989.69
300 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xinyu Nan among 1,583 hematology & oncology physician records in California
Xinyu Nan, 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 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2003 among the 1,124 with a school on file
- Record last updated2020 · 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 Orange → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Timothy Byun, MDOrange, CA 928681871545012
- Warren Chow, MDOrange, CA 928681093822017
- Paul Coluzzi, M.D.Orange, CA 928681972563906
- Mihaela Cristea, MDOrange, CA 928681417050998
- Sam Huang, M.D.Orange, CA 928681841248812
- Tiberio Lindgren, MDOrange, CA 928681275585424
- John Link, MDOrange, CA 928681245281211
- Steven Lipkin, MDOrange, CA 928681134153547
Common questions
What is Xinyu Nan, M.D.'s NPI number?
Xinyu Nan, M.D.'s National Provider Identifier (NPI) is 1326458175, issued on May 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Xinyu Nan, M.D. located?
The NPPES record lists a practice address at 1010 W LA Veta Ave Ste 250, Orange, CA, 92868. Phone: (714) 541-6622. Providers update this record themselves, so call before visiting.
How can I verify Xinyu Nan, M.D.'s license?
NPPES lists California license number A148056, 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 Xinyu Nan, M.D. prescribe under Medicare Part D?
In 2024, Xinyu Nan, M.D. had 1,463 Medicare Part D claims for 245 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.