Gary Greenstein, DDS MS
Periodontics · Freehold, NJ
Gary Greenstein, DDS MS is a periodontics with a practice address in Freehold, New Jersey, and NPI 1992835029, issued on Mar 7, 2007. Check the license (New Jersey 11138, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Greenstein
- Credential
- DDS MS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 11138 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 900 West Main St, Freehold, NJ 07728
- Phone
- (732) 780-1450
- Enumerated
- Mar 7, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (732) 780-7798
- Entity
- Type 1 · individual
Verify Gary Greenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 11138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
32% fewer Medicare Part D claims than the average periodontics in 2024
188 Medicare Part D claims for 89 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate66 claims
- Amoxicillin51 claims
- Doxycycline Hyclate26 claims
- Metronidazole17 claims
- Azithromycin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Periodontics providers in New Jersey
There are 291 periodontics records in New Jersey.
Other periodontics records in New Jersey
- Keith Abrams, D.M.D.Clifton, NJ1295950863
- Amir Ahmadi, DDSTeaneck, NJ1912086372
- James Albani, DMDColonia, NJ1831250521
- Wayne Aldredge, DMDNutley, NJ1982615647
- Unnati Amin, D.D.S.Morristown, NJ1952564429
- Andrew Andrawis, DMDEast Brunswick, NJ1043678659
- Wayne Arndt, DMDMorristown, NJ1952439168
- Jean Pierre Arnoux, D.D.S.Lawrenceville, NJ1912126384
- Robert Ashmen, D.M.D.North Brunswick, NJ1306966312
- Annemarie Athansios, DMDCedar Grove, NJ1811678063
Common questions
What is Gary Greenstein, DDS MS's NPI number?
Gary Greenstein, DDS MS's National Provider Identifier (NPI) is 1992835029, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Greenstein, DDS MS located?
The NPPES record lists a practice address at 900 West Main St, Freehold, NJ, 07728. Phone: (732) 780-1450. Providers update this record themselves, so call before visiting.
How can I verify Gary Greenstein, DDS MS's license?
NPPES lists New Jersey license number 11138, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Gary Greenstein, DDS MS prescribe under Medicare Part D?
In 2024, Gary Greenstein, DDS MS had 188 Medicare Part D claims for 89 beneficiaries; the average among periodontics prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.