IndividualActive
Nicholas Besley, MD
NPI 1205507670 · Neurological Surgery Physician · Boston, MA
Nicholas Besley, MD is a Neurological Surgery Physician provider in Boston, MA (NPI 1205507670).
Provider details
- NPI number
- 1205507670
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3020499 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
Practice location
800 Washington St
Boston, MA 02111-1552
Phone: (303) 818-9157
Fax: (617) 636-7021
Street-level locationGet directions
Mailing address
800 Washington St
Boston, MA 02111-1552
Registry dates
- Enumerated
- 2021-09-24
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Nicholas Besley's NPI number?
- Nicholas Besley's National Provider Identifier (NPI) is 1205507670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Besley's specialty?
- Nicholas Besley is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Besley located?
- Nicholas Besley's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Nicholas Besley's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Besley is (303) 818-9157.
- Is Nicholas Besley's NPI active?
- Yes — Nicholas Besley's NPI (1205507670) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.