NPPES file of Aug 9, 2026

Roger Thomas Day, MD

Student in an Organized Health Care Education/Training Program · Boston, MA

Roger Thomas Day, MD is a student in an organized health care education/training program with a practice address in Boston, Massachusetts, and NPI 1255918207, issued on Mar 25, 2021. Check the license with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1255918207
Name
Roger Thomas Day
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
One Boston Medical Center PL, Boston, MA 02118
Phone
(617) 638-8000
Enumerated
Mar 25, 2021
Record last updated
Mar 26, 2021 (not updated in 5 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.
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Also registered at One Boston Medical Center PL

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

  1. Andrew CanakisGastroenterology Physician1659875029
  2. Yale HicksClinical Social Worker1336961085
  3. Lynn HoDoula1295504207
  4. Victor Lopez Rivera, MDStudent in an Organized Health Care Education/Training Program1013537224
  5. Jay PatelStudent in an Organized Health Care Education/Training Program1811747892
  6. Saul Ramirez, MDAnesthesiology Physician1932840139

Verify Roger Thomas Day in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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
Find the Massachusetts license search

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Roger Thomas Day among 11,235 student in an organized health care education/training program records in Massachusetts

Roger Thomas Day, MD is one of 11,235 student in an organized health care education/training program records with a practice address in Massachusetts. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 26% of them.

  • NPI issued2021 · 26% of these records are older, 68% newer
  • In a Medicare fileNo · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2021 · 27% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6,126 student in an organized health care education/training program records list a practice address in Boston

They are 6,126 of the 41,865 NPPES records with a practice address in Boston, and 11,235 student in an organized health care education/training program records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Hector Adames, PSY.D.Boston, MA 021181447446612
  2. Sana Almunajjed Allahham, DMDBoston, MA 021181912154196
  3. Elizabeth Carey, M ED, MABoston, MA 021181073761136
  4. Claire Chang, D.M.D.Boston, MA 021181649428046
  5. Linda Deeds, MDBoston, MA 021181407022270
  6. Joseph El Khalil, MDBoston, MA 021181578703104
  7. Lewanda Elliott, M.ED.Boston, MA 021181164676961
  8. Dima Kabbani, M.D.Boston, MA 021181043404916

Common questions

What is Roger Thomas Day, MD's NPI number?

Roger Thomas Day, MD's National Provider Identifier (NPI) is 1255918207, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Roger Thomas Day, MD located?

The NPPES record lists a practice address at One Boston Medical Center PL, Boston, MA, 02118. Phone: (617) 638-8000. Providers update this record themselves, so call before visiting.

How can I verify Roger Thomas Day, MD's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. 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.