Independent practice
Dr. Jonathan Greenberg, DMD
Periodontic dentistry · Hauppauge, NY
4.129 Google reviews
Dr. Jonathan Greenberg, DMD
Key facts
- Dr. Jonathan Greenberg, DMD is 1 of 3 periodontic dentists listed in Hauppauge, NY.
- Independent practice.
- Public rating 4.1 from 29 Google reviews.
SmilesAtlas verification
What we matched to public records, with links so you can verify it yourself.
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Independent practice
Registered as a sole proprietor with no parent organization.
NPPES + ownership checkWhat we could not verify yet: We could not independently verify board-certification specialty status or continuing-education currency for this practice. We never fill those in by guessing; ask the office, and we add them once we can confirm.
Data freshness: NPI record 2026-08-23; Google listing 2026-06-07; practice website 2026-08-24. Confirm time-sensitive details directly.
About this practice
Dr. Jonathan Greenberg, DMD is a periodontic dental practice at 111 Smithtown Byp, Suite 102 in Hauppauge, NY. Public records show it as independent practice (registered as a sole proprietor with no parent organization). It has 29 Google reviews at 4.1 stars. Posted hours cover 7 days a week.
Visit
Hours
Friday: ClosedMonday: 9am to 7pmSaturday: ClosedSunday: ClosedThursday: 8am to 4pmTuesday: 9:30am to 7pmWednesday: 9am to 5pm
Reputation
4.1
29 Google reviews
Frequently asked questions
Is Dr. Jonathan Greenberg, DMD a verified dentist?
Dr. Jonathan Greenberg, DMD is listed in the federal NPI registry, is independent practice, and has 29 Google reviews. The profile shows the source date and direct verification links.
How can I double-check Dr. Jonathan Greenberg, DMD?
Open the official NPI record at NPPES NPI Registry (CMS) and search the state dental board for the license number to confirm the status shown here.
Does Dr. Jonathan Greenberg, DMD accept new patients?
We do not have a confirmed new-patient status for Dr. Jonathan Greenberg, DMD; call the office to check.