Christine Kaiser, M.D.
Hematology & Oncology Physician · Santa Rosa, CA
Christine Kaiser, M.D. is a hematology & oncology physician with a practice address in Santa Rosa, California, and NPI 1023192267, issued on Oct 24, 2006. Check the license (California A113028, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christine Kaiser
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A113028 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Bicentennial Way Ste 160, Santa Rosa, CA 95403
- Phone
- (707) 393-4000
- Enumerated
- Oct 24, 2006
- Record last updated
- Jun 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20101022000092); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 401 Bicentennial Way Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Nadeau, RPHOncology Pharmacist1194594119
Verify Christine Kaiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,506 Medicare Part D claims for 283 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Anastrozole132 claims
- Nivestym110 claims
- Abiraterone Acetate103 claims
- Tamoxifen Citrate98 claims
- Hydroxyurea63 claims
- Prednisone61 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.
Bills Medicare through one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
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 Christine Kaiser, M.D.'s NPI number?
Christine Kaiser, M.D.'s National Provider Identifier (NPI) is 1023192267, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine Kaiser, M.D. located?
The NPPES record lists a practice address at 401 Bicentennial Way Ste 160, Santa Rosa, CA, 95403. Phone: (707) 393-4000. Providers update this record themselves, so call before visiting.
How can I verify Christine Kaiser, M.D.'s license?
NPPES lists California license number A113028, 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 Christine Kaiser, M.D. prescribe under Medicare Part D?
In 2024, Christine Kaiser, M.D. had 1,506 Medicare Part D claims for 283 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.