Mark Joseph Gianatassio, DMD
Dentist · Melrose, MA
Mark Joseph Gianatassio, DMD is a dentist with a practice address in Melrose, Massachusetts, and NPI 1811012776, issued on Mar 20, 2007. Check the license (Massachusetts 16926, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Joseph Gianatassio
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 16926 MA
Self-reported in NPPES; status is on the state search - Practice location
- 820 Lynn Fells, Melrose, MA 02176
- Phone
- (781) 979-0235
- Enumerated
- Mar 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 979-0230
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Verify Mark Joseph Gianatassio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 16926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average dentist in 2024
136 Medicare Part D claims for 91 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin108 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.
Industry payments in 2024: $58.33
2 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Joseph Gianatassio among 2,934 dentist records in Massachusetts
Mark Joseph Gianatassio, DMD is one of 2,934 dentist records with a practice address in Massachusetts. 58% 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 12% of them.
- NPI issued2007 · 12% of these records are older, 77% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 dentist records list a practice address in Melrose
They are 6 of the 485 NPPES records with a practice address in Melrose, and 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Melrose → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Nicholas Ciancarelli, D.M.D.Melrose, MA 021761134345945
- Robert Difranco, DMDMelrose, MA 021761558437400
- Kyle Findly, DMDMelrose, MA 021761346434495
- Zina Gambacorta, DMDMelrose, MA 021761801954946
- Joseph Scola, DDSMelrose, MA 021761598884470
- Farid AwadStoneham, MA 021801184133423
- Nhu Minh Bui, D.M.D.Stoneham, MA 021801154702306
- John DorlandoStoneham, MA 021801225297096
Common questions
What is Mark Joseph Gianatassio, DMD's NPI number?
Mark Joseph Gianatassio, DMD's National Provider Identifier (NPI) is 1811012776, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Joseph Gianatassio, DMD located?
The NPPES record lists a practice address at 820 Lynn Fells, Melrose, MA, 02176. Phone: (781) 979-0235. Providers update this record themselves, so call before visiting.
How can I verify Mark Joseph Gianatassio, DMD's license?
NPPES lists Massachusetts license number 16926, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Joseph Gianatassio, DMD prescribe under Medicare Part D?
In 2024, Mark Joseph Gianatassio, DMD had 136 Medicare Part D claims for 91 beneficiaries; the average among dentist prescribers was 86. 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.