Medical oncologists in California
- Medical oncologists
- 434
- Linked to a hospital or group
- 356
- Hospitals with a medical oncologist
- 143
- Medical groups with a medical oncologist
- 97
- Cities
- 94
There are 434 medical oncologists in California. Stanford Health Care has the most, 80, and Stanford Hospital at 300 Pasteur Drive has the most affiliated medical oncologists, 88. Stanford is home to 82, and 37% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 434 California medical oncologists
Validated work emails and mobile numbers for California medical oncologists, found through healthcare waterfall enrichment, with a free Dmand AI account.
California medical oncologists, listed A to Z by last name
Each medical oncologist on the list has medical oncology as their primary specialty and a California practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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Sort and filter all 434 California medical oncologists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 50 of 415 California medical oncologists
The list shows the 415 medical oncologists with a public profile. The other 19 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 399 of 434 California medical oncologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Stanford Health Care has the most medical oncologists in California, with 80
City of Hope is second with 55, and Lucile Packard Children's Hospital Stanford third with 41. Counts are medical oncologists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Stanford Hospital at 300 Pasteur Drive has the most affiliated medical oncologists in California, with 88
UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco is second with 35, and Stanford Health Care Tri-Valley third with 34. California medical oncologists are affiliated with 143 hospitals in all.
See every hospital and group for each California medical oncologist
Each public profile names one place a medical oncologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Stanford has the most medical oncologists in California, with 82
More California cities with medical oncologists
- Orange11
- Palo Alto9
- Sacramento8
- Santa Monica8
- West Hollywood8
- Beverly Hills7
- Stockton6
- Mountain View5
- South San Francisco5
Medical oncologists practice in 94 California cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most California medical oncologists practice at a hospital: 294 of the 350 with a mapped site
158 also practice at a medical group site, and 35 at home health agencies. A medical oncologist can practice at several kinds of site, so the shares overlap.
California medical oncologists by site of care
- Hospitals294
- Medical group practices158
- Home health agencies35
- Physician offices12
- Breast imaging centers7
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
37% of California medical oncologists finished medical school 30 or more years ago
124 of the 336 California medical oncologists with a graduation year on file. 22 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago22
- 10 to 19 years ago96
- 20 to 29 years ago94
- 30 to 39 years ago62
- 40 or more years ago62
Source: Dmand AI Professional Profile Data
Every California medical oncologist profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the California medical oncologist directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Medical oncologists are HCPs whose primary specialty is medical oncology (taxonomy code 207RX0202X), with an active NPI and a California practice address.
FAQ
Frequently asked questions about medical oncologists in California
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical oncologists are in California?
434 medical oncologists have an active NPI, a California practice address and medical oncology (taxonomy code 207RX0202X) as their primary specialty. 356 of them are linked to a hospital or medical group.
Which California medical groups have the most medical oncologists?
Stanford Health Care, with 80, followed by City of Hope with 55 and Lucile Packard Children's Hospital Stanford with 41.
Which California hospitals have the most medical oncologists?
Stanford Hospital at 300 Pasteur Drive, with 88 affiliated medical oncologists, followed by UCSF Helen Diller Medical Center at Parnassus Heights with 35 and Stanford Health Care Tri-Valley with 34.
Which California cities have the most medical oncologists?
Stanford, with 82, followed by San Francisco (50) and Los Angeles (46). Medical oncologists practice in 94 California cities in all.
How many California medical oncologists finished medical school 30 or more years ago?
124 of the 336 with a graduation year on file, or 37%. 22 graduated in the last 10 years.
What is the taxonomy code for medical oncology?
207RX0202X is the NPPES taxonomy code for medical oncology. Sub-specialties with their own code are counted on their own lists.
Dmand AI
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Search 434 California medical oncologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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