MARK E COURTNEY NP
NPI 1447482427
Nurse Practitioner - Critical Care Medicine in Boston, MA
About Mark E Courtney Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK E COURTNEY NP (NPI 1447482427) is an individual critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (152350) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark E Courtney Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Courtney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1720037385 (Massachusetts)
- 2,579 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 02215 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Courtney's NPI number?
The NPI number for Mark Courtney is 1447482427. It was assigned to this individual provider in the NPPES registry on August 10, 2009.
Where is Mark Courtney located?
Mark Courtney practices at 110 Francis St Suite 2A, Boston, MA 02215. The listed phone number is (617) 754-2823.
What is Mark Courtney's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Mark Courtney enrolled in Medicare?
Yes. Mark Courtney is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Courtney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Courtney reassigns Medicare benefits to Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr 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 Courtney'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 Mark Courtney was last updated on August 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mark E Courtney, NP · NPI 1447482427
Critical Care Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 10, 2009.
## Identity
- **NPI:** 1447482427 (Entity type: Individual)
- **Enumerated:** August 10, 2009
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** 152350 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 FRANCIS ST, SUITE 2A, Boston, MA 02215-5501
- **Phone:** (617) 754-2823
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 10, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1447482427) · Data from the CMS NPPES public registry.