317-622-8970 Back to results

Dr John Robert Rostkowski

Healthcare provider · Concord, California

Healthcare & Life ScienceHealthcare provider
Concord, California, United States4 employees$161,000 revenue

Find prospects like Dr John Robert Rostkowski

Get a list of similar companies, matched by industry, size and location, ready for outreach.

Free sample of 25 companies by email within one business day. No spam: we only use your email for this request.

Products & Services

Healthcare & Life ScienceHealthcare provider

About Dr John Robert Rostkowski

Dr John Robert Rostkowski is a company reporting $0M-$1M in annual revenue, classified under Offices of Physicians (except Mental Health Specialists), based in Concord, California, United States, operating in Healthcare provider and employing 1-5 people.

Its primary NAICS classification is 621111 (Offices of Physicians (except Mental Health Specialists)). Dr John Robert Rostkowski is one of 637,970 Healthcare & Life Science companies listed in California.

Business Contact Information

Phone
+1 (925) 6465480
Address
1420 Willow Pass Rd, Concord, California, 94520, United States

Industry & Classification

Industry
Healthcare & Life Science
Sector
Healthcare provider
IndustryHealthcare & Life ScienceHealthcare provider

NAICS Codes

  • 62Health Care and Social Assistance
  • 6211Offices of Physicians
  • 621111Offices of Physicians (except Mental Health Specialists)

SIC Codes

  • 80Health Services
  • 801Offices And Clinics Of Doctors Of Medicine
  • 8011Offices of Physicians, Mental Health Specialists

Company Details

Employees
4 (1-5)
Annual Revenue
$161,000 ($0M-$1M)

Dr John Robert Rostkowski: frequently asked questions

What does Dr John Robert Rostkowski do?

Dr John Robert Rostkowski is a company reporting $0M-$1M in annual revenue, classified under Offices of Physicians (except Mental Health Specialists), based in Concord, California, United States, operating in Healthcare provider and employing 1-5 people.

Where is Dr John Robert Rostkowski located?

Dr John Robert Rostkowski is headquartered at 1420 Willow Pass Rd, Concord, California, 94520, United States.

How many employees does Dr John Robert Rostkowski have?

Dr John Robert Rostkowski has about 4 employees (the 1-5 range).

What is Dr John Robert Rostkowski's annual revenue?

Dr John Robert Rostkowski's annual revenue is estimated at $161,000 (the $0M-$1M range).

What industry is Dr John Robert Rostkowski in?

Dr John Robert Rostkowski is in the Healthcare & Life Science / Healthcare provider industry, and its primary NAICS code is 621111 (Offices of Physicians (except Mental Health Specialists)).

How can I contact Dr John Robert Rostkowski?

Its phone number is +1 (925) 6465480.

Largest companies in California

Largest healthcare & life science companies

Manufacturing sales in California, 2026

In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.

Own this business?

Keep your profile accurate — or ask us to take it down. We acknowledge requests within 7 days and resolve them within 30 days.

Prefer email? privacy@facturmfg.com

Add this badge to your website — show visitors you're listed on Factur Data.