Glen Weiss, MD
Medical Oncology Physician · Boston, MA
Glen Weiss, MD is a medical oncology physician with a practice address in Boston, Massachusetts, and NPI 1770639353, issued on Jan 26, 2007. Check the license (Massachusetts 274568, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Glen Weiss
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 274568 MA
37390 AZ
TL-1462 CO
Self-reported in NPPES; status is on the state search - Practice location
- 665 Washington St Unit 1015, Boston, MA 02111
- Phone
- (928) 487-5282
- Enumerated
- Jan 26, 2007
- Record last updated
- Jan 15, 2024
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 421 in Massachusetts → Look up another NPI →
Verify Glen Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 274568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Glen Weiss among 421 medical oncology physician records in Massachusetts
Glen Weiss, MD is one of 421 medical oncology physician records with a practice address in Massachusetts. 76% 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 49% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Massachusetts
There are 421 medical oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 421 in Massachusetts → Every provider in Boston → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Frank Haluska, M.D.Boston, MA 021111942302559
- Richard Junghans, MDBoston, MA 021111124029376
- Paul Mathew, M.D.Boston, MA 021111447341284
- Kathy Theall, MDBoston, MA 021111881679462
- Jason Fisherman, M.D.Boston, MA 021101265557102
- Lawrence Blaszkowsky, MDBoston, MA 021141225028137
- Leif Ellisen, MD PHDBoston, MA 021141225028533
- Rajesh Gandhi, MDBoston, MA 021141992795512
Common questions
What is Glen Weiss, MD's NPI number?
Glen Weiss, MD's National Provider Identifier (NPI) is 1770639353, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Glen Weiss, MD located?
The NPPES record lists a practice address at 665 Washington St Unit 1015, Boston, MA, 02111. Phone: (928) 487-5282. Providers update this record themselves, so call before visiting.
How can I verify Glen Weiss, MD's license?
NPPES lists Massachusetts license number 274568, 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. 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.