List of Internists in California
California has 20,339 internists in this dataset, last verified September 6, 2026. That makes it the largest market for internists in the United States, with 12% of the national total, ahead of New York (13,216).
Among cities, Los Angeles leads with 1,172, ahead of San Diego (975) and San Francisco (725). Together the top three hold only 14% of all internists in California, so the market reaches well beyond its biggest cities.
Email coverage mirrors the national picture, with 4,113 records (20.2%) including an email address against 19.1% across the United States. 19,778 (97.2%) list a phone number, and 4,082 carry both.
52.6% of internists in California have a website, below the national average of 56.8%. The 9,635 without a site are a ready-made prospect list for web design and local SEO agencies.
Among the 9,222 rated internists in California, 55% hold a 5-star average, in line with the national figure of 59%. 1,330 are rated 1 to 2 stars (14% of rated businesses, well above the national 11%), a natural shortlist for reputation management and review software.
Social Media Reach
6,431
6,006
5,827
3,989
YouTube
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Internists List in California
Browse a random sample of 15 records — see the exact fields and data quality before you download.
| LOGO | Business Name | Address | City | State | Country | Phone | Website | Reviews | Rating | FB | IG | LI | YT | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jack D Cochran Md | Address | Corona | California | United States | Email | Phone | — | 13 | 4.4 | — | — | — | — | ||
Mark Marin | Address | San Francisco | California | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
 | Arunpal Singh Sehgal, MD | Address | Lynwood | California | United States | Email | Phone | 9 | 2.3 | — | |||||
Dennis Leahy, M.D. | Address | Escondido | California | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
Haduong Josephine MD | Address | Los Angeles | California | United States | Email | Phone | 0 | 0 | |||||||
 | Nikki Zahabi, DO | Address | Long Beach | California | United States | Email | Phone | 1 | 5 | — | — | — | — | ||
Dr. Parag Bharadwaj | Address | Fountain Valley | California | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
Dr. Renuka Perla, MD | Address | San Jose | California | United States | Email | Phone | — | 1 | 1 | — | — | — | — | ||
Dr. Paulette Y. Saddler, MD | Address | Los Angeles | California | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
Reynaldo David MD | Address | San Diego | California | United States | Email | Phone | 0 | 0 | |||||||
Kasza Attila MD | Address | Chico | California | United States | Email | Phone | 1 | 1 | — | — | — | — | |||
 | Phiet The Phung, MD | Address | San Gabriel | California | United States | Email | Phone | 0 | 0 | — | |||||
JERRY SOUNG | Address | Stockton | California | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
 | Tejpreet Kaur Nakai, DO | Address | San Diego | California | United States | Email | Phone | 0 | 0 | — | — | — | — | ||
Dr. Nancy C. Lau, MD | Address | San Jose | California | United States | Email | Phone | 0 | 0 |
This is a randomized preview — the full database contains 20,339 records with complete field coverage.
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20,339 verified records — emails, phones, social profiles and more. One-time payment, instant download.
Distribution by Location
Number of Internists across different territories
What You Can Do with the List of Internists in California
This list is built for teams that sell to internists: medical supply distributors, practice software vendors, billing services and healthcare staffing agencies. It covers 20,339 internists in California, with the fields to call, email, segment and map them.
Who Sells to Internists in California
Each of these buyers can work the 20,339 businesses in this list as a pipeline for a different product:
- Medical and dental supply distributors: Open accounts with the 20,339 internists in California for consumables, instruments and equipment.
- Practice management and EHR software: Pitch scheduling, patient records and billing systems to independent practices.
- Medical billing and credentialing services: Offer to take claims, coding and payer enrollment off the front desk.
- Healthcare staffing agencies: Place nurses, medical assistants and front-office staff.
Phone, Facebook and Email Outreach in California
Start with the 4,082 records that list both a phone number and an email address, then widen out channel by channel:
- Cold calling (19,778): 97.2% of records include a phone number for call campaigns, appointment setting and follow-ups.
- Facebook messages (6,431): 31.6% have a Facebook page, a further channel when calls and emails go unanswered.
- Email sequences (4,113): 20.2% of records include an email address, so use email as a follow-up touch rather than the lead channel.
- CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.
Prospect Segments for Agencies in California
Filter the website, rating and social columns to pull the internists that fit a specific service before you pitch:
- No website listed (9,635): 47% of internists in California have no website on record, a direct prospect list for web designers and local SEO agencies.
- Rated 1 to 2 stars (1,330): businesses with poor Google ratings, prospects for reputation management and review generation services.
- No Facebook page (13,908): 68% have no Facebook page on record, an opening for social media management agencies.
Prioritize Cities Across California
The 20,339 internists in California are spread across 66 cities we track and many smaller towns, so rank areas before sending reps out:
- Top city markets: Los Angeles, San Diego, San Francisco, Sacramento and Richmond hold 20% of records in California, the biggest clusters for in-person visits.
- Beyond the big cities: 4,359 records (21%) sit outside the 66 cities with their own list, reachable by phone and email without travel.
- Postal code patches: records include postal codes, so each rep can get a compact patch with no overlapping accounts.
- Route planning: records include latitude and longitude, so you can map accounts and plan visit days around clusters.
Data Coverage for Internists in California
20,339 records · verified September 6, 2026
- Phone numbers
- 19,778
- Email addresses
- 4,113
- Phone and email
- 4,082
- Websites
- 10,704
Google ratings· 9,222 rated (45%)
55% hold 5 stars
- 1-star rated
- 716
- 7.8% of rated
- 2-star rated
- 614
- 6.7% of rated
- 3-star rated
- 1,706
- 18.5% of rated
- 4-star rated
- 1,128
- 12.2% of rated
- 5-star rated
- 5,058
- 54.8% of rated
Social profiles:
- Facebook:6,431· 31.6%
- Instagram:6,006· 29.5%
- LinkedIn:5,827· 28.6%
- X (Twitter):5,233· 25.7%
- YouTube:3,989· 19.6%
Internists in California are a phone-first, Facebook-heavy market: 97.2% list a phone number but only 20.2% publish an email. Among 9,222 rated internists, 55% hold 5 stars, a mostly positive spread.
Related Internists by Location
Browse datasets for Internists across nearby locations
Frequently asked questions about Internists in California
Everything you need to know about our internists database for California: data quality, coverage, freshness, pricing, and formats. Last updated September 6, 2026.
How many Internists are there in California?
There are 20,339 internists in California in our verified database, as of September 6, 2026.
This covers independent operators, regional chains, and enterprise-scale businesses, across every city in California, for sales prospecting, competitive research, and territory planning.
How up to date is the Internists data for California?
This dataset was last updated in September 6, 2026.
Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.
Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.
What fields are included in the Internists database for California?
Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.
Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.
Where can I buy verified market intelligence data for Internists businesses in California?
InfiniteLeadsHub provides verified market intelligence datasets for internists businesses in California as a one-time purchase with no subscription.
Ideal for market research, sales planning, and business development.
How much does the Internists database for California cost?
The complete internists leads database for California costs $139 as a one-time payment.
You get instant access to all 20,339 records with no recurring fees, no per-record charges, and no seat limits.
It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.
Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?
Yes. For teams that need internists contacts in California specifically, a one-time $139 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.
Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.
Can I preview a sample of the Internists data before buying?
Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.
The sample is a representative slice of the full California internists database, including contact fields, social profiles, and ratings data.
How do I download the Internists list, and what file formats are available?
You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.
CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.
How many Internists in California have phone numbers?
19,778 internists in California (97% of the database) include a phone number.
That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.
How many Internists in California have email addresses?
4,113 internists in California (20%) include an email address.
Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.
How many Internists in California have both a phone number and an email address?
4,082 internists in California have both a phone number and an email address.
Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.
How many Internists in California are active on social media?
Social profile coverage for internists in California: 5,827 on LinkedIn, 6,431 on Facebook, 6,006 on Instagram, 3,989 on YouTube, 5,233 on X (Twitter).
Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.
How many Internists in California have a website?
10,704 internists in California (53%) have an active business website.
That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.
How many Internists in California do not have a website?
9,635 internists in California operate without a business website.
These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.
What are the review ratings of Internists in California?
Rating breakdown for internists in California: 5,058 with a 5-star rating, 1,128 with a 4-star rating, 1,706 with a 3-star rating, 614 with a 2-star rating, 716 with a 1-star rating.
Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.
Can I get Internists data for other states or the entire US?
Yes. The national Internists database covers all 50 US states, and individual state and major-city lists are also available.
If you buy California first, contact us and we'll credit your purchase toward the national upgrade.
Most multi-state buyers save money going national.
Is the Internists contact data in California legal to use for B2B outreach?
Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.
This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.
We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.