NPPES file of Aug 9, 2026

Caleb Dresser, MD

Emergency Medicine Physician · Boston, MA

Caleb Dresser, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1265882351, issued on Jun 20, 2016. Check the license (Massachusetts 267208, 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
1265882351
Name
Caleb Dresser
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
267208 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(774) 364-4406
Enumerated
Jun 20, 2016
Record last updated
Jun 21, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190625000167); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Caleb Dresser 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 267208
    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.

88% fewer Medicare Part D claims than the average emergency medicine physician in 2024

28 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Caleb Dresser28
  2. Specialty average226

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.

Bills Medicare through 5 group practices

  1. Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISNew Bedford, MA
  2. Beth Israel Deaconess Medical Center IncBoston, MA
  3. Bid-Milton Physician Associates IncQuincy, MA
  4. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
  5. Massachusetts Eye And Ear 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 Caleb Dresser, MD's NPI number?

Caleb Dresser, MD's National Provider Identifier (NPI) is 1265882351, issued on Jun 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Caleb Dresser, MD located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (774) 364-4406. Providers update this record themselves, so call before visiting.

How can I verify Caleb Dresser, MD's license?

NPPES lists Massachusetts license number 267208, 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 Caleb Dresser, MD prescribe under Medicare Part D?

In 2024, Caleb Dresser, MD had 28 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.