Michael David Grassi, D.D.S.
Endodontics · Rochester, NY
Michael David Grassi, D.D.S. is an endodontics with a practice address in Rochester, New York, and NPI 1821137860, issued on Feb 6, 2007. Check the license (New York 040199-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael David Grassi
- Credential
- D.D.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 040199-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 369 White Spruce Blvd, Rochester, NY 14623
- Phone
- (585) 424-1111
- Enumerated
- Feb 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (585) 424-1110
- Entity
- Type 1 · individual
8 nearest endodontics records → All 483 in New York → Look up another NPI →
Also registered at 369 White Spruce Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John DeangeloEndodontics1073653028
- David GrassiEndodontics1891835849
- Mary Meyer, D.M.D.Endodontics1215078829
Verify Michael David Grassi 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 040199-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average endodontics in 2024
356 Medicare Part D claims for 231 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Amoxicillin218 claims
- Azithromycin35 claims
- Cephalexin25 claims
- Clindamycin Hcl21 claims
- Methylprednisolone17 claims
- Hydrocodone-Acetaminophen12 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.
Michael David Grassi among 483 endodontics records in New York
Michael David Grassi, D.D.S. is one of 483 endodontics 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 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 43% 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 updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in New York
There are 483 endodontics records in New York.
All 483 in New York → Every provider in Rochester → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- John DeangeloRochester, NY 146231073653028
- David GrassiRochester, NY 146231891835849
- Jeffrey Levine, DDSRochester, NY 146231659987402
- Mary Meyer, D.M.D.Rochester, NY 146231215078829
- Joseph Quevedo, D.D.S., M.S.D.Rochester, NY 146251245451384
- Jhujhar Bhambra, DMDRochester, NY 146261386752459
- William Nesbitt, D.M.D.Rochester, NY 146201528219011
- Patrick Derose, D.D.S.Rochester, NY 146181386663193
Common questions
What is Michael David Grassi, D.D.S.'s NPI number?
Michael David Grassi, D.D.S.'s National Provider Identifier (NPI) is 1821137860, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael David Grassi, D.D.S. located?
The NPPES record lists a practice address at 369 White Spruce Blvd, Rochester, NY, 14623. Phone: (585) 424-1111. Providers update this record themselves, so call before visiting.
How can I verify Michael David Grassi, D.D.S.'s license?
NPPES lists New York license number 040199-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Michael David Grassi, D.D.S. prescribe under Medicare Part D?
In 2024, Michael David Grassi, D.D.S. had 356 Medicare Part D claims for 231 beneficiaries; the average among endodontics prescribers was 121. 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.