Stephen E. Tosi, M.D.
Urology Physician · Worcester, MA
Stephen E. Tosi, M.D. is a urology physician with a practice address in Worcester, Massachusetts, and NPI 1558334045, issued on Feb 7, 2006. Check the license (Massachusetts 40210, 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
- Stephen E. Tosi
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 40210 MA
Self-reported in NPPES; status is on the state search - Practice location
- 291 Lincoln St, Worcester, MA 01605
- Phone
- (508) 755-8663
- Enumerated
- Feb 7, 2006
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (508) 753-4731
- Medicaid ID
- 110037283A MA
- Entity
- Type 1 · individual
Also registered at 291 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hawa Abu, MDGeriatric Medicine (Internal Medicine) Physician1104441229
- Linsey BarkerGeriatric Medicine (Internal Medicine) Physician1356847974
- Jessica Boatman Dray, M.D.Geriatric Medicine (Family Medicine) Physician1528487857
- Alexis Brenya, MDPediatrics Physician1548962400
- Tracy Cormier, NPNurse Practitioner1083829014
- Ronald Cruz, MDInternal Medicine Physician1710962154
Verify Stephen E. Tosi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 40210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other urology physician records in Massachusetts
- Joseph Adolph, MDMarlboro, MA1700883535
- Abdulsalam Albalawi, MDChestnut Hill, MA1487087375
- Mehrdad AlemozaffarBoston, MA1376749861
- Richard Alexander, M.D.Greenfield, MA1497762884
- Farshid Alizadeh, MDBrighton, MA1619608577
- Christopher Allard, MDBoston, MA1629486022
- Richard Altman, MDChelmsford, MA1134199748
- Joshua Altschuler, MDWorcester, MA1003471962
- Kevin Asher, MDSpringfield, MA1578733457
- Philip Ayvazian, MDWorcester, MA1487654984
Common questions
What is Stephen E. Tosi, M.D.'s NPI number?
Stephen E. Tosi, M.D.'s National Provider Identifier (NPI) is 1558334045, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen E. Tosi, M.D. located?
The NPPES record lists a practice address at 291 Lincoln St, Worcester, MA, 01605. Phone: (508) 755-8663. Providers update this record themselves, so call before visiting.
How can I verify Stephen E. Tosi, M.D.'s license?
NPPES lists Massachusetts license number 40210, 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.