Raina M. Ferzoco, M.D.
Hematology & Oncology Physician · Los Gatos, CA
Raina M. Ferzoco, M.D. is a hematology & oncology physician with a practice address in Los Gatos, California, and NPI 1811213564, issued on Apr 20, 2010. Check the license (California A159773, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Raina M. Ferzoco
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A159773 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15400 National Ave Ste 201, Los Gatos, CA 95032
- Phone
- (408) 358-8415
- Enumerated
- Apr 20, 2010
- Record last updated
- May 14, 2026
- Fax
- (408) 502-9740
- Medicare enrollment
- Enrolled (PECOS I20190405001222); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2010
- 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 15400 National Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Simranjit Sekhon, M.D.Hematology & Oncology Physician1558632505
- Amir Tabatabai, M.D.Hematology & Oncology Physician1871592154
Verify Raina M. Ferzoco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average hematology & oncology physician in 2024
972 Medicare Part D claims for 135 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 78 claims were for opioids.
Most prescribed
- Anastrozole51 claims
- Ondansetron Hcl41 claims
- Prochlorperazine Maleate39 claims
- Lenalidomide38 claims
- Revlimid36 claims
- Tamoxifen Citrate33 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Dignity Health Medical FoundationSanta Cruz, CA
- Monterey Bay Oncology A Medical CorporationLos Gatos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raina M. Ferzoco among 1,583 hematology & oncology physician records in California
Raina M. Ferzoco, 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 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2010 · median 2003 among the 1,124 with a school on file
- Record last updated2026 · 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 Los Gatos → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ying Cao, MD, PH.DLos Gatos, CA 950321326209438
- Simranjit Sekhon, M.D.Los Gatos, CA 950321558632505
- Amir Tabatabai, M.D.Los Gatos, CA 950321871592154
- Carol Mei, M.D.Hollister, CA 950231528041720
- Lynne Bui, M.D.Gilroy, CA 950201114169323
- Ronald Yanagihara, M.D.Gilroy, CA 950201366478240
- Samina Ahmed, MDSanta Clara, CA 950511114180197
- Jeffrey Bien, M.D.Santa Clara, CA 950511487040911
Common questions
What is Raina M. Ferzoco, M.D.'s NPI number?
Raina M. Ferzoco, M.D.'s National Provider Identifier (NPI) is 1811213564, issued on Apr 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Raina M. Ferzoco, M.D. located?
The NPPES record lists a practice address at 15400 National Ave Ste 201, Los Gatos, CA, 95032. Phone: (408) 358-8415. Providers update this record themselves, so call before visiting.
How can I verify Raina M. Ferzoco, M.D.'s license?
NPPES lists California license number A159773, 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 Raina M. Ferzoco, M.D. prescribe under Medicare Part D?
In 2024, Raina M. Ferzoco, M.D. had 972 Medicare Part D claims for 135 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Raina M. Ferzoco, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.