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

Oncologist density map for 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.

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
Sample Data Only

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 Name
Complete Street Address
Website URL
Phone Number
Email Address
Customer Rating
Review Count
Photo Count
Business Timezone
Latitude Coordinates
Longitude Coordinates
Business Categories
Price Range Information
Rating Distribution
Business Photos
Popular Times Data
Additional Business Info
Key Business Highlights
Operating Hours
Topic Categories
Owner Information
Business age
Last Updated Date
Social Media Profiles

Business Attributes

Common features and services (10+ businesses)

services

Onsite services available 15

amenities

Has wheelchair accessible entrance 1,621
Has wheelchair accessible parking lot 1,615
Has restroom 1,603
Has wheelchair accessible restroom 1,573
Has gender neutral restroom 46

accessibility

No wheelchair accessible entrance 10
No wheelchair accessible restroom 1

business type

Identifies as women owned 3
Identifies as asian owned 1
Identifies as veteran owned 1

other

Appointments recommended 1,531
Appointment required 113
Lgbtq friendly 41
On site parking 22
Free parking lot 8

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.