DR. MARK PROCTOR M.D.
NPI 1306910518
Specialist in Boston, MA

Active since November 20, 2006PECOS Enrolled
300 LONGWOOD AVE, DEPARTMENT OF NEUROSURGERY, BADER 3, BOSTON, MA 02115(617) 355-2403(617) 730-0906 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark Proctor M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK PROCTOR M.D. (NPI 1306910518) is an individual specialist in Boston, Massachusetts and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306910518
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. MARK PROCTORCredential: M.D.
Location Address300 LONGWOOD AVE, DEPARTMENT OF NEUROSURGERY, BADER 3Boston, MA 02115-5724
Mailing Address300 Longwood Ave, Department Of Neurosurgery, Bader 3Boston, MA 02115-5724 · (617) 355-2403 · Fax (617) 730-0906
Fax(617) 730-0906
Sole ProprietorNo
Enumeration DateNovember 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1306910518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
300 LONGWOOD AVE, Boston, MA 02115

Other Identifiers 1

Medicare UPINH03923MA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Proctor M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Proctor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neurological Surgery
300 LONGWOOD AVE, DEPARTMENT OF NEUROSURGERY, CHILDREN'S HOSPITAL BOSTON
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 34 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Proctor's NPI number?

The NPI number for Mark Proctor is 1306910518. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Mark Proctor located?

Mark Proctor practices at 300 Longwood Ave Department Of Neurosurgery, Bader 3, Boston, MA 02115. The listed phone number is (617) 355-2403.

What is Mark Proctor's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mark Proctor enrolled in Medicare?

Yes. Mark Proctor is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Proctor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Proctor reassigns Medicare benefits to Boston Pediatric Neurosurgical Foundation, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Proctor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Proctor accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Mark Proctor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Proctor was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.