William Wood Bassett, M.D.
Urology Physician · Boston, MA
William Wood Bassett, M.D. is a urology physician with a practice address in Boston, Massachusetts, and NPI 1265572572, issued on Feb 7, 2007. Check the license (Massachusetts 221850, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Wood Bassett
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 221850 MA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Francis St, Boston, MA 02115
- Phone
- (617) 732-6227
- Enumerated
- Feb 7, 2007
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20091123000241); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 377 in Massachusetts → Look up another NPI →
Also registered at 45 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Acker, LCSWClinical Social Worker1417876392
- Martin Aguilar, MDStudent in an Organized Health Care Education/Training Program1356835508
- Victoria Aharon, PA-CPhysician Assistant1508109398
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- Saif Alenizi, M.D., M.P.H.Nephrology Physician1255680997
- Roberta (bobbi) Allison, MA, MSW, LICSWClinical Social Worker1649407248
Verify William Wood Bassett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 221850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average urology physician in 2024
2,374 Medicare Part D claims for 557 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 92 claims were for opioids.
Most prescribed
- Tamsulosin Hcl537 claims
- Finasteride424 claims
- Trospium Chloride212 claims
- Myrbetriq166 claims
- Ciprofloxacin Hcl116 claims
- Terazosin Hcl111 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
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Wood Bassett among 377 urology physician records in Massachusetts
William Wood Bassett, M.D. is one of 377 urology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 38% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2003 · median 2002 among the 244 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts.
All 377 in Massachusetts → Every provider in Boston → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Stuart Bauer, MDBoston, MA 021151528045804
- Joseph Borer, MDBoston, MA 021151700864592
- Marc Cendron, MDBoston, MA 021151679550008
- Bartley Cilento, MDBoston, MA 021151326025750
- David Diamond, MDBoston, MA 021151619954658
- Christopher Doyle, MDBoston, MA 021151972560290
- Robert Eyre, M.D.Boston, MA 021151619917150
- Gary Kearney, MDBoston, MA 021151326040080
Common questions
What is William Wood Bassett, M.D.'s NPI number?
William Wood Bassett, M.D.'s National Provider Identifier (NPI) is 1265572572, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Wood Bassett, M.D. located?
The NPPES record lists a practice address at 45 Francis St, Boston, MA, 02115. Phone: (617) 732-6227. Providers update this record themselves, so call before visiting.
How can I verify William Wood Bassett, M.D.'s license?
NPPES lists Massachusetts license number 221850, 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 William Wood Bassett, M.D. prescribe under Medicare Part D?
In 2024, William Wood Bassett, M.D. had 2,374 Medicare Part D claims for 557 beneficiaries; the average among urology physician prescribers was 1,340. 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.