NPPES file of Aug 9, 2026

Catherine Elizabeth Sullivan

Psychiatry Physician · Cambridge, MA

Catherine Elizabeth Sullivan is a psychiatry physician with a practice address in Cambridge, Massachusetts, and NPI 1427375104, issued on Apr 21, 2010. Check the license (Massachusetts 257910, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427375104
Name
Catherine Elizabeth Sullivan
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
257910 MA
Self-reported in NPPES; status is on the state search
Practice location
10 Concord Ave, Cambridge, MA 02138
Phone
(617) 299-9286
Enumerated
Apr 21, 2010
Record last updated
Nov 23, 2015 (not updated in 11 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.
Download card Updates feed

Also registered at 10 Concord Ave

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

  1. Mica Agate-MaysSocial Worker1962126193
  2. Kristen Bettencourt, PSYDPsychologist1578049037
  3. Aishwarya Chitoor SubashClinical Social Worker1164111548
  4. Andrew Clark, MDPsychiatry Physician1720056047
  5. Iuri Conceicao, CLINICAL PSYClinical Psychologist1578208088
  6. Molly CordisClinical Social Worker1326711102

Verify Catherine Elizabeth Sullivan 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 257910
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

75% fewer Medicare Part D claims than the average psychiatry physician in 2024

246 Medicare Part D claims for 39 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Catherine Sullivan246
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl23 claims
  2. Trulicity22 claims
  3. Aripiprazole19 claims
  4. Metformin Hcl Er13 claims
  5. Metformin Hcl12 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.

Catherine Elizabeth Sullivan among 2,736 psychiatry physician records in Massachusetts

Catherine Elizabeth Sullivan 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 2010, is newer than 68% of them.

  • NPI issued2010 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2015 · 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).

213 psychiatry physician records list a practice address in Cambridge

They are 213 of the 5,145 NPPES records with a practice address in Cambridge, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Hans Agrawal, M.D.Cambridge, MA 021381609833805
  2. Menekse Alpay, MDCambridge, MA 021381861476467
  3. Paul Cannistraro, M.D.Cambridge, MA 021381639165988
  4. Andrew Clark, MDCambridge, MA 021381720056047
  5. Joseph D'Afflitti, MDCambridge, MA 021381902859986
  6. Catherine Fullerton, MDCambridge, MA 021381427039601
  7. Susan Kattlove, MDCambridge, MA 021381144219783
  8. Kevin Majeres, MDCambridge, MA 021381659333714

Common questions

What is Catherine Elizabeth Sullivan's NPI number?

Catherine Elizabeth Sullivan's National Provider Identifier (NPI) is 1427375104, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Elizabeth Sullivan located?

The NPPES record lists a practice address at 10 Concord Ave, Cambridge, MA, 02138. Phone: (617) 299-9286. Providers update this record themselves, so call before visiting.

How can I verify Catherine Elizabeth Sullivan's license?

NPPES lists Massachusetts license number 257910, 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.

How much does Catherine Elizabeth Sullivan prescribe under Medicare Part D?

In 2024, Catherine Elizabeth Sullivan had 246 Medicare Part D claims for 39 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.