List of Oncologists in California, United States
There are 1,753 Oncologists in California, United States as of August, 2025. The highest number of Oncologists in California are in San Francisco and Palo Alto with 254 businesses and 114 businesses, respectively. San Francisco makes up approximately 14.5% of all Oncologists in California.
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Sample Data
Preview of Oncologist businesses in California, United States
| Business Name | City | Rating | Reviews | Phone | Website | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|
|
UC Davis Comprehensi...
|
Sacramento
|
★
3.0
|
41
|
(*1*) 7*4-*9*9 | *****@ucdavis.edu | health.ucdavis.edu |
**.****
|
**.****
|
|
Scripps Cancer Cente...
|
San Diego
|
★
3.0
|
15
|
(*5*) 2*1-*2*7 | *****@scripps.org | scripps.org |
**.****
|
**.****
|
|
UCLA Health Santa Cl...
|
Santa Clarita
|
★
4.0
|
4
|
(*6*) 2*5-*3*0 | *****@uclahealth.org | uclahealth.org |
**.****
|
**.****
|
|
Sagus Sampath, M.D....
|
Duarte
|
★
5.0
|
1
|
(*2*) 2*5-*0*9 | *****@cityofhope.org | cityofhope.org |
**.****
|
**.****
|
|
Elizabeth Ren Zhang-...
|
Ontario
|
★
5.0
|
1
|
(*3*) 5*4-*2*3 | *****@kaiserpermanente.org | healthy.kaiserperman... |
**.****
|
**.****
|
Get access to all 1,748 remaining Oncologists with complete contact information, addresses, and business details.
Get Complete List (1,753 Businesses)Which cities have the most Oncologists in California?
Cities with most Oncologists
| City | Business Count | Percentage |
|---|---|---|
|
254
|
14.5%
|
|
|
114
|
6.5%
|
|
|
97
|
5.5%
|
|
|
47
|
2.7%
|
|
|
45
|
2.6%
|
|
|
41
|
2.3%
|
|
|
38
|
2.2%
|
|
|
37
|
2.1%
|
|
|
35
|
2%
|
|
|
33
|
1.9%
|
What Data Do We Provide?
Our list for Oncologists in California, United States is one of the most comprehensive in the industry. As of August, 2025, we have compiled data on 1,753 verified listings.
Essential Business Details
Complete business name, full address, and operational hours for all 1,753 Oncologists
Contact Information
Direct phone numbers, email addresses, and website URLs for Oncologists across California, United States
Customer Engagement Metrics
Average ratings, total review counts, and customer feedback data from Oncologists in California, United States
Precise Geolocation Data
Exact latitude/longitude coordinates and regional distribution across 10 cities in California, United States
Complete Data Fields for Oncologists in California, United States:
Each of the 1,753 Oncologists records includes:
Business Attributes
Common features and services (10+ businesses)
services
amenities
accessibility
business type
other
How You Can Use Oncologists Data from California, United States
Our comprehensive list of 1,753 Oncologists in California, United States empowers you to reach the right audience through multiple channels. Here are key ways this data can give you a competitive edge in the Oncologists industry.
Geospatial Analysis & Hotspot Detection
Perform advanced spatial analysis to identify business clusters, service gaps, and market saturation patterns across 10 cities in California, United States using precise coordinate data from 1,753 Oncologists.
Market Research & Competitive Analysis
Analyze trends, saturation, and competitor presence across 10 cities in California, United States to uncover underserved areas and high-potential markets for Oncologists.
Lead Generation & Sales Prospecting
Find and reach Oncologists in California, United States using verified phone numbers, websites, and category filters for smarter, targeted prospecting.
Location Intelligence & Expansion Planning
Plan new Oncologists openings or rollouts using density maps and insights from our 1,753 listings to target low-competition, high-demand zones in California, United States.
AI & NLP Model Training
Train machine learning models with structured data and real user reviews from 1,753 Oncologists for improved sentiment analysis and recommendation systems.
Real Estate & Investment Insights
Evaluate commercial potential in California, United States by analyzing the distribution of Oncologists across 10 cities and their activity trends.
Email Marketing Campaigns
Run targeted email campaigns to Oncologists in California, United States using verified email addresses for personalized outreach and improved conversion rates.
Cold Calling & Telemarketing
Use up-to-date phone numbers from our 1,753 Oncologists database to initiate effective conversations and improve call conversion rates.
Direct Mail Marketing
Send promotional materials to Oncologists across California, United States using accurate mailing addresses for targeted delivery and higher response rates.
Social Media Outreach
Engage Oncologists in California, United States via Instagram, LinkedIn, or Facebook using curated profile data for multi-channel marketing.
Footfall & Demand Estimation
Estimate local foot traffic and demand by analyzing the concentration of Oncologists in specific regions of California, United States and their popularity metrics.
Local SEO & Digital Services
Optimize marketing strategies for Oncologists by studying GMB listings, ratings, and categories used by top-performing competitors in California, United States.
Mapping & Navigation Integration
Add Oncologists POI data to your apps for delivery, logistics, or travel using accurate coordinates from 1,753 verified locations in California, United States.
Common questions about Oncologists in California, United States
How many Oncologists are there in California, United States?
There are 1,753 Oncologists in California, United States as of August, 2025.
Which city has the most Oncologists in California?
San Francisco has the most Oncologists with 254 businesses, about 14% of the state total.
How many Oncologists in California, United States have a phone number?
1,703 of the 1,753 Oncologists (97%) have a phone number.
How many Oncologists in California, United States have an email address?
Email addresses are collected from each business's website after you order - typically 60-70% are collectable, and the final count is confirmed after enrichment. Based on the website count, the working estimate is about 830 of the 1,753 Oncologists (47%).
How many Oncologists in California, United States have a website?
1,185 of the 1,753 Oncologists (68%) have a website.
How many Oncologists in California, United States do not have a website?
568 of the 1,753 Oncologists (32%) have no website listed.
How many Oncologists in California, United States list their opening hours?
463 of the 1,753 Oncologists (26%) list opening hours.
What data fields are included for Oncologists in California, United States?
Each of the 1,753 records includes business name, full address, phone number, website, email address, customer rating, review count, opening hours, geographic coordinates and business categories.
How do I target Oncologists through Facebook ad campaigns?
By uploading our Oncologists dataset, you can effortlessly reach the right target audience, optimize your ad campaigns, and increase your conversion rate.
How do I target Oncologists through Google ad campaigns?
By uploading our Oncologists dataset, you can effortlessly reach the right target audience through Google Ads, optimize your ad campaigns, and maximize your ROI.
How do email addresses of Oncologists assist in online marketing?
With the email addresses of Oncologists, you can reach your audience directly, ensuring your messages land in the inboxes of potential customers, leading to increased engagement and conversion rates.
How do phone numbers of Oncologists help businesses?
Whether for cold calling campaigns or personalized messaging, having accurate phone numbers allows you to establish meaningful connections.
How does the mailing address data of Oncologists support marketing strategies?
The mailing address data of Oncologists ensures that your promotional materials reach the hands of potential customers, driving engagement and brand recognition.
Can I download a free sample of the Oncologist data?
Yes. A free sample workbook is available without an account, and you can also request a sample built for a specific state through our contact form.
In what formats can I download the Oncologist data?
The dataset is delivered as CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
How much does the Oncologist data cost?
Pricing starts from $49 and scales with the number of records. Request a quote through our contact form and we will confirm the price for your selection.
How can I get the Oncologist data for California?
You can request a free sample through our contact form, or request the complete dataset of 1,753 businesses in California with contact details by contacting our sales team.
Email addresses are collected from each business's website after you order. Typically 60–70% are collectable, and the final count is confirmed after enrichment.
Related Categories in California, United States
Explore related categories in California, United States
How can I download a list of Oncologists in California, United States into Excel?
You can download the complete list of 1,753 Oncologists data as an Excel file, along with geo-coded addresses, phone numbers and open hours by contacting our sales team.