Mark Proctor, M.D.
NPI 1306910518 · Specialist · Boston, MA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Proctor, M.D. is a Specialist provider in Boston, MA (NPI 1306910518).
Provider details
- NPI number
- 1306910518
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
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
83% 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
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Proctor's NPI number?
- Mark Proctor's National Provider Identifier (NPI) is 1306910518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Proctor's specialty?
- Mark Proctor is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Proctor located?
- Mark Proctor's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Mark Proctor's phone number?
- The practice phone number listed in the NPPES registry for Mark Proctor is (617) 355-2403.
- Does Mark Proctor accept Medicare?
- Mark Proctor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Proctor's NPI active?
- Yes — Mark Proctor's NPI (1306910518) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.