Every new California business filing, every dayDavid Greenstein, MD
David Greenstein, MD Inc. is the professional corporation of Dr. David Greenstein, an anesthesiologist based in Long Beach, CA. He is affiliated with MemorialCare and accepts new patients, as shown on Healthgrades and MemorialCare provider pages. The practice focuses on anesthesia services in a hospital setting.
Filed November 11, 2025 · Sacramento, CA · Sacramento County
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California Secretary of State (bizfile Online) · Entity B20250380426 · Retrieved May 14, 2026
About David Greenstein, MD
David Greenstein, MD Inc. filed in California on November 11, 2025, with a principal address in Sacramento. The registered agent was filed through Northwest Registered Agent, a formation service. Its domain was registered in 1999, over 26 years before the filing, through GoDaddy Corporate Domains. The website is modern. The company shares its address with 2,855 other entities and its registered agent with 6,165 others. No annual report or EIN on file yet. We estimate annual revenue between $100K and $1M and 1-5 employees.
- Domain registered 26 years before the company filed.
- Registered agent filed through a formation service.
- Website assessed as modern.
- Shares address with 2,855 other entities.
- Shares registered agent with 6,165 other entities.
- We estimate revenue $100K-$1M and 1-5 employees.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 527 new businesses registered in Sacramento in November 2025, one of 12 medical practice businesses.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Frequently Asked Questions
When was David Greenstein, MD registered?
David Greenstein, MD was registered as Corp on November 11, 2025 in California.
Where is David Greenstein, MD located?
David Greenstein, MD is based in Sacramento, CA, 95816, in Sacramento County.
What type of business is David Greenstein, MD?
David Greenstein, MD is classified as a medical practice business (anesthesiology).
Does David Greenstein, MD have an EIN on file?
No EIN was found on file for David Greenstein, MD at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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