Mark N. Nallaratnam, MD
Cardiovascular Disease Physician · Boston, MA
Mark N. Nallaratnam, MD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1427216811, issued on Jun 2, 2008. Check the license (Massachusetts 233791, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark N. Nallaratnam
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 233791 MA
Self-reported in NPPES; status is on the state search - Practice location
- 88 E Newton St, Boston, MA 02118
- Phone
- (617) 638-5795
- Enumerated
- Jun 2, 2008
- Record last updated
- Jun 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 88 E Newton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jameel Ahmed, MDClinical Cardiac Electrophysiology Physician1326094996
- Barbara Appignani, M.D.Body Imaging Physician1609843234
- Lori Arena, PHARM.D.Pharmacotherapy Pharmacist1902809874
- Lindsay Arnold, PHARM DPharmacotherapy Pharmacist1104046937
- Bridget Asgarian, M.D.Anesthesiology Physician1902169949
- James Becker, M.D.Surgery Physician1760441059
Verify Mark N. Nallaratnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 476 in Boston → All 1,080 in Massachusetts → Every provider in Boston →
Other cardiovascular disease physician records in Massachusetts
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Rishard Abdul, M.B.B.SSpringfield, MA1114412830
- Saeed Abughazaleh, MDSpringfield, MA1427782762
- Subasit Acharji, MDLeominster, MA1225246358
- Kenneth Adams, M.D.Haverhill, MA1720082787
- Nicholas Adamstein, MDBoston, MA1548897218
- Dale Adler, M.D.Boston, MA1295769966
- Nadeem Afridi, MDNewburyport, MA1619961372
- Hanna Ahmed, M.DWorcester, MA1417111428
- Mashrafi Ahmed, M.DSpringfield, MA1265759328
Common questions
What is Mark N. Nallaratnam, MD's NPI number?
Mark N. Nallaratnam, MD's National Provider Identifier (NPI) is 1427216811, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark N. Nallaratnam, MD located?
The NPPES record lists a practice address at 88 E Newton St, Boston, MA, 02118. Phone: (617) 638-5795. Providers update this record themselves, so call before visiting.
How can I verify Mark N. Nallaratnam, MD's license?
NPPES lists Massachusetts license number 233791, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.