MR. THOMAS C JOHNSTON MD
NPI 1073504445
Pediatrics in Hanover, MA
About Mr. Thomas C Johnston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. THOMAS C JOHNSTON MD (NPI 1073504445) is an individual pediatrics provider in Hanover, Massachusetts, licensed in Massachusetts (50326) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Thomas C Johnston Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Thomas Johnston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockland, MA 02370
- Reassigned Medicare billing, Massachusetts enrollment
- 45 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02339 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HANOVER, MA 02339
HANOVER, MA 02339
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 Thomas Johnston's NPI number?
The NPI number for Thomas Johnston is 1073504445. It was assigned to this individual provider in the NPPES registry on November 3, 2005.
Where is Thomas Johnston located?
Thomas Johnston practices at 51 Mill St Building E - 17, Hanover, MA 02339. The listed phone number is (781) 826-2131.
What is Thomas Johnston's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Thomas Johnston enrolled in Medicare?
Yes. Thomas Johnston is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Thomas Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Johnston reassigns Medicare benefits to Healthcare South PC (Rockland, 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 Thomas Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Johnston was last updated on May 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.