List of Diagnostic centers in California
California has approximately 376 Diagnostic centers as of May 18, 2026.
California, contributing around 7.7% of all 4,854 Diagnostic centers in United States, making it one of the largest and most important state-level markets for targeted outreach. Around 59.3% of Diagnostic centers in California have email addresses, 93.6% have phone numbers, and 56.9% include both — with 69.1% also having a website.
Businesses in this dataset are well-represented on social media: 161 have Facebook pages, 110 are on Instagram, 160 have LinkedIn profiles, 130 use X (formerly Twitter), 71 maintain YouTube channels. This dataset helps target Diagnostic centers across California efficiently.
| 376 Number of Diagnostic centers | |
| 223 Email addresses | |
| 352 Phone numbers | |
| 260 With Websites | |
| 160 LinkedIn Profiles |
| 161 Facebook Profiles | |
| 110 Instagram Handles | |
| 130 X Handles | |
| 71 YouTube Channels | |
| 214 Phone and Email |
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Data updated on May 18, 2026
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Download sample list of Diagnostic centers in California
Find new clients and close more deals with the world s best business leads provider. You can download Diagnostic centers email and phone number lists for your sales teams. Here is a random sample of 20 records for you to look at the fields and the data that we provide.
| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alan Joel Woronoff, MD |
| Grayslake | Illinois | United States |
|
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| 0 | 0 | |||||
Ian C Klonk MD |
| Columbus | Ohio | United States |
|
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| 0 | 0 | |||||
FUJIFILM Wako Diagnostics USA Corporation |
| Mountain View | California | United States |
|
|
| 0 | 0 | - | - | - | ||
Adam Joseph Sanchez MD |
| Hazel Crest | Illinois | United States |
|
|
| 0 | 0 | |||||
Evan S. Wasserman |
| Norwalk | Connecticut | United States |
|
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| 0 | 0 | |||||
Amarillo Cranio-Facial Pain |
| Amarillo | Texas | United States |
|
| - | 0 | 0 | - | - | - | - | |
Toll Gate Vascular Lab |
| Warwick | Rhode Island | United States |
|
| - | 0 | 0 | - | - | - | - | |
Salina Ortho: MRI |
| Salina | Kansas | United States |
|
|
| 2 | 5 | - | - | - | ||
Quest Diagnostics Laboratory |
| Camarillo | California | United States |
|
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| 12 | 3.2 | - | - | - | ||
Ryan Robert Mcclintock, MD |
| Philadelphia | Pennsylvania | United States |
|
|
| 0 | 0 | |||||
Darv Diagnotics |
| Olive Branch | Mississippi | United States |
|
|
| 0 | 0 | - | - | - | - | |
Subba Raju M.D. |
| Elgin | Illinois | United States |
|
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| 0 | 0 | |||||
Rapid & PCR Testing Elgin |
| Elgin | Illinois | United States |
|
|
| 34 | 3.9 | - | ||||
Paul Michael Guzzetta MD |
| Tinley Park | Illinois | United States |
|
|
| 0 | 0 | |||||
Mitchell D. Schnall, MD, PhD |
| Philadelphia | Pennsylvania | United States |
|
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| 0 | 0 | |||||
Andrew Simon MD |
| St Francis | Wisconsin | United States |
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| 0 | 0 | |||||
Melissa R. Themar Geck MD |
| St Francis | Wisconsin | United States |
|
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| 0 | 0 | |||||
Mass General Brigham Imaging (Peabody) |
| Peabody | Massachusetts | United States |
|
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| 0 | 0 | |||||
UF/IFAS Plant Diagnostic Center |
| Gainesville | Florida | United States |
|
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| 0 | 0 | - | - | |||
Psychnostics Llc |
| Baltimore | Maryland | United States |
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| 0 | 0 | - | - | - | - |
Address
Email
Phone
Website
How many Diagnostic centers are there in the California?
Diagnostic centers in the California
Last updated: May 18, 2026
Approximately 59.3% of Diagnostic centers in California have email contacts, while 93.6% have phone numbers, enabling targeted state-level B2B campaigns.
Data last updated May 18, 2026
93.6%
352 Diagnostic centers in California with Phone Number
59.3%
223 Diagnostic centers in California with Email Address
56.9%
214 Diagnostic centers in California with Phone and Email
How to Use the List of Diagnostic centers in California
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across California is solid — 93.6% of diagnostic centers have phone numbers in this dataset. Your team can start calling California-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
59.3% of diagnostic centers in California have an email address on record. That's enough coverage to run full-state email sequences — from initial outreach to follow-up — hitting every major market and regional hub in a single campaign.
Multi-Channel Outreach Across California
56.9% of diagnostic centers in California have both phone and email on record. Rather than running separate lists per channel, your team can coordinate calls, emails, and follow-ups against the same contacts from one dataset.
Regional Ad Targeting
69.1% of diagnostic centers in California have a listed website — a strong signal of digital presence. Use those records to build lookalike audiences or upload the full list as a custom audience on Facebook, Google, or LinkedIn for precise, state-level ad targeting.
Pitching Services to California Businesses
0.0% of diagnostic centers in California are rated 4 stars or higher by real customers — a prime segment for reputation management tools, review platforms, and any service that helps businesses maintain or grow their online presence statewide.
California punches above its weight in the Diagnostic centers space — big enough to run serious statewide campaigns, focused enough to keep targeting precise.
List of Diagnostic centers in California with Social Media Accounts
42.8% on Facebook — making this state an ideal market for platform-specific outreach at regional scale
Explore Related Diagnostic centers by Location
Around 69.1% of Diagnostic centers in California have an active website, making this state an ideal target for regional digital marketing and website-driven campaigns.
Data last updated May 18, 2026
69.1%
260 Diagnostic centers in California that have a website
30.9%
116 Diagnostic centers in California that do not have a website
Download sales qualified leads of Diagnostic centers in the California
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Diagnostic centers are there in California?
There are 376 Diagnostic centers in California as of the latest update. This makes California an active market for B2B outreach and lead generation in the Diagnostic centers industry.
How many Diagnostic centers in California have email addresses?
223 Diagnostic centers in California have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Diagnostic centers in California have phone numbers?
352 Diagnostic centers in California include phone numbers. Of those, 214 also have email addresses, making them ideal for multi-channel outreach.
Which cities in California have the most Diagnostic centers businesses?
The concentration of Diagnostic centers varies across cities within California. The dataset includes a full cities-level breakdown so you can identify and prioritize the strongest markets for your campaigns.
Is this dataset suitable for statewide outreach to Diagnostic centers in California?
Absolutely. The dataset covers 376 Diagnostic centers businesses across California, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Diagnostic centers in California?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Diagnostic centers list for California?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
Still have questions? Feel free to reach out to our support team
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