Marin Xavier, MD
Hematology & Oncology Physician · San Diego, CA
Marin Xavier, MD is a hematology & oncology physician with a practice address in San Diego, California, and NPI 1437211372, issued on Dec 15, 2006. Check the license (California A84606, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marin Xavier
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A84606 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Washington St Ste 508, San Diego, CA 92103
- Phone
- (619) 849-4469
- Enumerated
- Dec 15, 2006
- Entity
- Type 1 · individual
Also registered at 501 Washington St Ste 508
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Bollin, M.D.Medical Oncology Physician1801020334
- Houman Dahi, MDPulmonary Disease Physician1598732604
- Dia Jones, FNPFamily Nurse Practitioner1841700093
- Ann Kuo, M.D.Hematology & Oncology Physician1790030005
- Joseph Resnikoff, M.D.Critical Care Medicine (Internal Medicine) Physician1730193996
- Aditya Sarvaria, MDInternal Medicine Physician1407116627
Verify Marin Xavier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
34% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,190 Medicare Part D claims for 196 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 26 claims were for opioids.
Most prescribed
- Jakafi91 claims
- Acyclovir70 claims
- Brukinsa52 claims
- Venclexta48 claims
- Lynparza47 claims
- Ojjaara47 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: $111,242.62
237 payments, mostly food and beverage; the largest payer was BeiGene USA, Inc.. The 6,678 providers of this specialty with any payment received $7,643.36 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.
One hospital or facility affiliation
- Scripps HealthSan Diego, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hematology & Oncology Physician providers in California
There are 1,306 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
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
- Camille Adeimy, MDUpland, CA1477785160
- David Adkins, MDModesto, CA1104883644
- Kent Adler, M.D.San Mateo, CA1013074632
Common questions
What is Marin Xavier, MD's NPI number?
Marin Xavier, MD's National Provider Identifier (NPI) is 1437211372, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marin Xavier, MD located?
The NPPES record lists a practice address at 501 Washington St Ste 508, San Diego, CA, 92103. Phone: (619) 849-4469. Providers update this record themselves, so call before visiting.
How can I verify Marin Xavier, MD's license?
NPPES lists California license number A84606, 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 Marin Xavier, MD prescribe under Medicare Part D?
In 2024, Marin Xavier, MD had 1,190 Medicare Part D claims for 196 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.