NPPES file of Aug 9, 2026

Christina Marsica Grassi, M.D.

Ophthalmology Physician · Cambridge, MA

Christina Marsica Grassi, M.D. is an ophthalmology physician with a practice address in Cambridge, Massachusetts, and NPI 1306228515, issued on Jun 24, 2015. Check the license (Massachusetts 264380, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306228515
Name
Christina Marsica Grassi
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
264380 MA
286348 NY
Self-reported in NPPES; status is on the state search
Practice location
330 Mt Auburn St, Cambridge, MA 02138
Phone
(617) 492-3500
Enumerated
Jun 24, 2015
Record last updated
Feb 12, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 330 Mt Auburn St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sena Cakir Colak, M.D.Student in an Organized Health Care Education/Training Program1023858628
  2. Tierney Elison, CNMAdvanced Practice Midwife1689226441
  3. Mauricio Fernandes, M.D.Internal Medicine Physician1710770318
  4. Donna Gallagher, NPAdult Health Nurse Practitioner1912262379
  5. Lindsey Hildebrand, MDHematology & Oncology Physician1457855744
  6. Sarah Moses, MDObstetrics & Gynecology Physician1093133555

Verify Christina Marsica Grassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 264380
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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Ophthalmology Physician providers in Massachusetts

There are 791 ophthalmology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other ophthalmology physician records in Massachusetts

  1. Mark Abelson, M.D.Andover, MA1811990682
  2. Inas Aboobakar, M.D.Boston, MA1760846265
  3. Omar Abuqamar, M.D., M.M.S.C.,Burlington, MA1437640414
  4. Alessandro Adad Jammal, MD, PHDBoston, MA1518725480
  5. David Agahigian, M.D.Springfield, MA1205822293
  6. Kanika Agarwal, MDBoston, MA1245692433
  7. Muna Ahmad, M.D.Leominster, MA1588830145
  8. Lloyd Aiello, M.D., PH.D.Boston, MA1588622104
  9. Motasem Al-Latayfeh, M.D.Boston, MA1184855710
  10. Pierre Alfred, MDAthol, MA1912998501

Common questions

What is Christina Marsica Grassi, M.D.'s NPI number?

Christina Marsica Grassi, M.D.'s National Provider Identifier (NPI) is 1306228515, issued on Jun 24, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christina Marsica Grassi, M.D. located?

The NPPES record lists a practice address at 330 Mt Auburn St, Cambridge, MA, 02138. Phone: (617) 492-3500. Providers update this record themselves, so call before visiting.

How can I verify Christina Marsica Grassi, M.D.'s license?

NPPES lists Massachusetts license number 264380, 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.