Troy Tweiten, M.D.
Hospitalist Physician · Cambridge, MA
Troy Tweiten, M.D. is a hospitalist physician with a practice address in Cambridge, Massachusetts, and NPI 1447634670, issued on Jul 17, 2015. Check the license (Massachusetts 264249, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Troy Tweiten
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 264249 MA
DR.0068923 CO
Self-reported in NPPES; status is on the state search - Practice location
- 300 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 492-3500
- Enumerated
- Jul 17, 2015
- Record last updated
- Jan 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20230405002738); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2015
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 525 in Massachusetts → Look up another NPI →
Also registered at 300 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Troy Tweiten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 264249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average hospitalist physician in 2024
260 Medicare Part D claims for 150 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium18 claims
- Amlodipine Besylate15 claims
- Atorvastatin Calcium15 claims
- Cephalexin13 claims
- Prednisone11 claims
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 one group practice
- Catholic Health Initiatives ColoradoLongmont, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy Tweiten among 525 hospitalist physician records in Massachusetts
Troy Tweiten, M.D. is one of 525 hospitalist physician records with a practice address in Massachusetts. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 52% of them.
- NPI issued2015 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2015 · median 2012 among the 449 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Massachusetts
There are 525 hospitalist physician records in Massachusetts.
All 525 in Massachusetts → Every provider in Cambridge → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ralph Blair, M.D.Cambridge, MA 021381275568230
- Eirini IliakiCambridge, MA 021381538326996
- Joseph Khoory, DOCambridge, MA 021381902368962
- Jason Lieberthal, M.D.Cambridge, MA 021381518192947
- Andrew Modest, M.D.Cambridge, MA 021381336179118
- Hezha Seradji Aghdam, MDCambridge, MA 021381821617010
- Melissa Bartick, M.D.Cambridge, MA 021391841213824
- Renata Cardoso, M.D.Cambridge, MA 021391891097036
Common questions
What is Troy Tweiten, M.D.'s NPI number?
Troy Tweiten, M.D.'s National Provider Identifier (NPI) is 1447634670, issued on Jul 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Troy Tweiten, M.D. located?
The NPPES record lists a practice address at 300 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 492-3500. Providers update this record themselves, so call before visiting.
How can I verify Troy Tweiten, M.D.'s license?
NPPES lists Massachusetts license number 264249, 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 Troy Tweiten, M.D. prescribe under Medicare Part D?
In 2024, Troy Tweiten, M.D. had 260 Medicare Part D claims for 150 beneficiaries; the average among hospitalist physician prescribers was 521. 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.