NPPES file of Aug 9, 2026

Marissa Diane Wasserman

Anesthesiology Physician · Boston, MA

Marissa Diane Wasserman is an anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1386986842, issued on Mar 22, 2013. Check the license (Massachusetts 269707, 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
1386986842
Name
Marissa Diane Wasserman
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
269707 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-8210
Enumerated
Mar 22, 2013
Record last updated
May 12, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180905002409); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 2013
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 75 Francis St

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

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Marissa Diane Wasserman 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 269707
    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. Bay AnesthesiaEast Brunswick, NJ

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

Marissa Diane Wasserman among 2,089 anesthesiology physician records in Massachusetts

Marissa Diane Wasserman is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.

  • NPI issued2013 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2013 · median 2008 among the 1,472 with a school on file
  • Record last updated2017 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,082 anesthesiology physician records list a practice address in Boston

They are 1,082 of the 41,865 NPPES records with a practice address in Boston, and 2,089 anesthesiology physician records in Massachusetts.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Roland Brusseau, MDBoston, MA 021151063402535
  2. William Camann, MDBoston, MA 021151902887979
  3. Michael Dambra, MDBoston, MA 021151477534386
  4. James Dinardo, M.D.Boston, MA 021151962496281
  5. Sunil Eappen, MDBoston, MA 021151770564684
  6. Omid Farokhzad, MDBoston, MA 021151548241433
  7. Gyorgy Frendl, MD PHDBoston, MA 021151366423261
  8. Khadija Khan, MDBoston, MA 021151144202573

Common questions

What is Marissa Diane Wasserman's NPI number?

Marissa Diane Wasserman's National Provider Identifier (NPI) is 1386986842, issued on Mar 22, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Diane Wasserman located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-8210. Providers update this record themselves, so call before visiting.

How can I verify Marissa Diane Wasserman's license?

NPPES lists Massachusetts license number 269707, 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.