NPPES file of Aug 9, 2026

Sarah Catherine Cavallaro, MD

Emergency Medicine Physician · Boston, MA

Sarah Catherine Cavallaro, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1386937241, issued on May 25, 2011. Check the license (Massachusetts 273724, 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
1386937241
Name
Sarah Catherine Cavallaro
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
273724 MA
MD449366 PA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(860) 305-3930
Enumerated
May 25, 2011
Record last updated
May 16, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180529001609); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 2011
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 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Sarah Catherine Cavallaro 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 273724
    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. Children's Hospital Pediatric Associates, IncBoston, MA

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

543 emergency medicine physician records list a practice address in Boston

They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.

Other emergency medicine physician records in Massachusetts

  1. Emily Aaronson, M.D.Boston, MA1962791558
  2. Sharif Abdel Jalil, PHARM. D., MDWorcester, MA1649795758
  3. Menahem Abraham, M.D.Beverly, MA1720113889
  4. Aser AbrhaBoston, MA1568102796
  5. Jorge Acevedo Herman, MDWorcester, MA1447955000
  6. Matthew Adamo, DOFalmouth, MA1912446972
  7. Austin AdamsBoston, MA1861139388
  8. Sapana Adhikari, M.D.Boston, MA1902870694
  9. Jamie Adler, MDBoston, MA1659765790
  10. Jonathan Adler, MDBoston, MA1609851500

Common questions

What is Sarah Catherine Cavallaro, MD's NPI number?

Sarah Catherine Cavallaro, MD's National Provider Identifier (NPI) is 1386937241, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Catherine Cavallaro, MD located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (860) 305-3930. Providers update this record themselves, so call before visiting.

How can I verify Sarah Catherine Cavallaro, MD's license?

NPPES lists Massachusetts license number 273724, 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.