William Bassett, M.D.
NPI 1265572572 · Urology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bassett, M.D. is a Urology Physician provider in Boston, MA (NPI 1265572572).
Provider details
- NPI number
- 1265572572
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 221850 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 537 | 156 |
| Finasteride | 424 | 142 |
| Trospium Chloride | 212 | 64 |
| Mirabegronbrand: Myrbetriq | 166 | 54 |
| Ciprofloxacin Hcl | 116 | 99 |
| Terazosin Hcl | 111 | 34 |
| Mirabegronbrand: Mirabegron Er | 77 | 43 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2022-02-11
Frequently asked questions
- What is William Bassett's NPI number?
- William Bassett's National Provider Identifier (NPI) is 1265572572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bassett's specialty?
- William Bassett is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is William Bassett located?
- William Bassett's practice location on file with NPPES is 45 Francis St, Boston, MA 02115-6105.
- What is William Bassett's phone number?
- The practice phone number listed in the NPPES registry for William Bassett is (617) 732-6227.
- Does William Bassett accept Medicare?
- William Bassett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bassett's NPI active?
- Yes — William Bassett's NPI (1265572572) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.