How many Oncologists are in California, United States?
There are 1,753 Oncologists in California, United States. 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.
Data last updated: July, 2025
Total Businesses
1,753
With Phone
1,703
With Website
1,185
With Hours
463

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.
Sample Data
Preview of Oncologist businesses in California, United States
Business Name | City | Rating | Reviews | Phone | Website |
---|---|---|---|---|---|
Breastlink Women's Imaging Tarzana
|
Tarzana
|
★
4.0
|
5,290
|
(*1*) 7*4-*7*9 | breastlink.com |
Breastlink
|
Orange
|
★
4.0
|
3,699
|
(*1*) 5*1-*1*1 | breastlink.com |
cCARE Cancer Center
|
Fresno
|
★
4.0
|
2,589
|
(*0*) 4*6-*8*0 | ccare.com |
Golden Gate Urology Berkeley
|
Berkeley
|
★
4.0
|
1,269
|
(*1*) 2*5-*0*3 | berkeleyurology.com |
Kyle Himsl, MD
|
Thousand Oaks
|
★
4.0
|
1,071
|
(*0*) 3*1-*7*7 | drhimsl.com |
Wellness Oncology & Hematology
|
West Hills
|
★
5.0
|
760
|
(*1*) 3*6-*7*3 | wellnessoncology.com |
Raffi Chalian, M.D.
|
Glendale
|
★
5.0
|
681
|
(*1*) 2*8-*8*6 | gynoncla.com |
cCARE San Marcos
|
San Marcos
|
★
4.0
|
630
|
(*0*) 4*6-*8*0 | ccare.com |
cCARE La Jolla
|
La Jolla
|
★
4.0
|
480
|
(*5*) 5*2-*4*0 | ccare.com |
Kiavash Nikkhou, MD
|
Thousand Oaks
|
★
4.0
|
453
|
(*0*) 3*9-*5*5 | nikkhoumd.com |
Get access to all 1,743 remaining Oncologists with complete contact information, addresses, and business details.
Data last updated: July, 2025
Get Complete Dataset (1,753 Businesses)Top Cities in California
Cities with most Oncologists
City | Business Count | Percentage |
---|---|---|
San Francisco
|
254
|
14.5%
|
Palo Alto
|
114
|
6.5%
|
Sacramento
|
97
|
5.5%
|
Duarte
|
47
|
2.7%
|
Los Angeles
|
45
|
2.6%
|
Fresno
|
41
|
2.3%
|
Walnut Creek
|
38
|
2.2%
|
Stanford
|
37
|
2.1%
|
Santa Barbara
|
35
|
2%
|
San Diego
|
33
|
1.9%
|
What Data Do We Provide?
Our dataset 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 dataset 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.
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.
Related Categories in California, United States
Explore related categories in California, United States