Jason Jonathan Lewis, M.D.
Emergency Medicine Physician · Boston, MA
Jason Jonathan Lewis, M.D. is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1669766515, issued on Jun 7, 2011. Check the license (Massachusetts 248786, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jason Jonathan Lewis
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 248786 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-7000
- Enumerated
- Jun 7, 2011
- Record last updated
- Jun 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140605000064); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 300 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loretta Barron, NPAdult Health Nurse Practitioner1982769113
- Stephanie Buckenheimer, AGNP-BCAcute Care Nurse Practitioner1316768922
- Eliza BurrStudent in an Organized Health Care Education/Training Program1720880263
- Andie Cuiffo, PA-CPhysician Assistant1750150538
- Kathleen Dionne, N.P.Family Nurse Practitioner1255700753
- Vivian Paraskevi Douglas, MD, DVM, MBA, MSCRetina Specialist (Ophthalmology) Physician1972316081
Verify Jason Jonathan Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 248786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
71 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 3 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Bid-Milton Physician Associates IncQuincy, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Jonathan Lewis among 1,829 emergency medicine physician records in Massachusetts
Jason Jonathan Lewis, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2011 among the 1,200 with a school on file
- Record last updated2011 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Philip Anderson, M.D.Boston, MA 022151477540235
- Susan Bartels, MDBoston, MA 022151801852561
- Wende Buras, M.D.Boston, MA 022151376500587
- Jonathan Burstein, M.D.Boston, MA 022151740227461
- Jonathan Edlow, M.D.Boston, MA 022151962449165
- Jonathan Fisher, M.D.Boston, MA 022151437199973
- Michael Ganetsky, M.D.Boston, MA 022151053394288
- Sean Kelly, M.D.Boston, MA 022151265479927
Common questions
What is Jason Jonathan Lewis, M.D.'s NPI number?
Jason Jonathan Lewis, M.D.'s National Provider Identifier (NPI) is 1669766515, issued on Jun 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jason Jonathan Lewis, M.D. located?
The NPPES record lists a practice address at 300 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.
How can I verify Jason Jonathan Lewis, M.D.'s license?
NPPES lists Massachusetts license number 248786, 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 Jason Jonathan Lewis, M.D. prescribe under Medicare Part D?
In 2024, Jason Jonathan Lewis, M.D. had 71 Medicare Part D claims for 63 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.