NPPES file of Aug 9, 2026

Marissa Caan, MD

Psychiatry Physician · Arlington, MA

Marissa Caan, MD is a psychiatry physician with a practice address in Arlington, Massachusetts, and NPI 1093219669, issued on Mar 20, 2018. Check the license (Massachusetts 298070, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1093219669
Name
Marissa Caan
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
298070 MA
Self-reported in NPPES; status is on the state search
Practice location
259 Massachusetts Ave Ofc L3, Arlington, MA 02474
Phone
(617) 458-7361
Enumerated
Mar 20, 2018
Record last updated
Jul 29, 2026
Fax
(617) 315-8428
Medicare enrollment
Enrolled (PECOS I20221212002206); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 259 Massachusetts Ave Ofc L3

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

  1. Danielle Tutundjian, PSYDClinical Psychologist1972066298

Verify Marissa Caan 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 298070
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marissa Caan among 2,736 psychiatry physician records in Massachusetts

Marissa Caan, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.

  • NPI issued2018 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2018 · median 2005 among the 1,219 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 psychiatry physician records list a practice address in Arlington

They are 18 of the 974 NPPES records with a practice address in Arlington, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Pamela Wine, M.D.Arlington, MA 024741245303627
  2. Kenneth Adelman, M.D.Watertown, MA 024721497700694
  3. Peter Brigham, MDArlington, MA 024761821184144
  4. Linden Cassidy, MDArlington, MA 024761891769519
  5. Stanley Cheren, M.D.Arlington, MA 024761740240415
  6. Peter Cohen, M.D.Arlington, MA 024761962462721
  7. Julia Coleman, MDArlington, MA 024761427049329
  8. Alan Corman, MDArlington, MA 024761043247273

Common questions

What is Marissa Caan, MD's NPI number?

Marissa Caan, MD's National Provider Identifier (NPI) is 1093219669, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Caan, MD located?

The NPPES record lists a practice address at 259 Massachusetts Ave Ofc L3, Arlington, MA, 02474. Phone: (617) 458-7361. Providers update this record themselves, so call before visiting.

How can I verify Marissa Caan, MD's license?

NPPES lists Massachusetts license number 298070, 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. 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.