Eric Gerard Grossmann, D.D.S.
General Practice Dentistry · Valley Stream, NY
Eric Gerard Grossmann, D.D.S. is a general practice dentistry with a practice address in Valley Stream, New York, and NPI 1457390585, issued on Jun 5, 2006. Check the license (New York 040625-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eric Gerard Grossmann
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 040625-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 509 W Merrick RD, Valley Stream, NY 11580
- Phone
- (516) 825-8054
- Enumerated
- Jun 5, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →
Also registered at 509 W Merrick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Cella, DDSOral and Maxillofacial Surgery (Dentist)1396743274
- Ira Ehrlich, DDSEndodontics1386642676
- Taryn KatzPediatric Dentistry1083955371
Verify Eric Gerard Grossmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 040625-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average general practice dentistry in 2024
52 Medicare Part D claims for 39 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 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.
Eric Gerard Grossmann among 7,828 general practice dentistry records in New York
Eric Gerard Grossmann, D.D.S. is one of 7,828 general practice dentistry records with a practice address in New York. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 65% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 general practice dentistry records list a practice address in Valley Stream
They are 23 of the 1,948 NPPES records with a practice address in Valley Stream, and 7,828 general practice dentistry records in New York.
All 7,828 in New York → Every provider in Valley Stream → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Stephen Bernstein, DMDValley Stream, NY 115801548302193
- Jaime Bodner, D.D.S.Valley Stream, NY 115801669523973
- Sandra Garcia-Iryami, DDSValley Stream, NY 115801174689293
- Mark Gordon, DDSValley Stream, NY 115801396734331
- Richard Henner, D.M.DValley Stream, NY 115801720046220
- Marc HennerValley Stream, NY 115801427347525
- Leslie Joseph, DDSValley Stream, NY 115801134165434
- Isaac Pearlman, DDSValley Stream, NY 115801992786263
Common questions
What is Eric Gerard Grossmann, D.D.S.'s NPI number?
Eric Gerard Grossmann, D.D.S.'s National Provider Identifier (NPI) is 1457390585, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric Gerard Grossmann, D.D.S. located?
The NPPES record lists a practice address at 509 W Merrick RD, Valley Stream, NY, 11580. Phone: (516) 825-8054. Providers update this record themselves, so call before visiting.
How can I verify Eric Gerard Grossmann, D.D.S.'s license?
NPPES lists New York license number 040625-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Eric Gerard Grossmann, D.D.S. prescribe under Medicare Part D?
In 2024, Eric Gerard Grossmann, D.D.S. had 52 Medicare Part D claims for 39 beneficiaries; the average among general practice dentistry prescribers was 83. 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.