DR. MARY ELLEN MCCANN MD
NPI 1043289648
Anesthesiology in Boston, MA
About Dr. Mary Ellen Mccann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY ELLEN MCCANN MD (NPI 1043289648) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (52644) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Mary Ellen Mccann Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Mccann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 256 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.
BOSTON, MA 02115
BOSTON, MA 02115
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 Mary Mccann's NPI number?
The NPI number for Mary Mccann is 1043289648. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is Mary Mccann located?
Mary Mccann practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-7737.
What is Mary Mccann's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mary Mccann enrolled in Medicare?
Yes. Mary Mccann is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Mccann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mccann reassigns Medicare benefits to Chmc Anesthesia 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 Mary Mccann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Mccann accept?
Health plans from Taro Health list Mary Mccann 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 Mary Mccann 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.
# Dr. Mary Ellen Mccann, MD · NPI 1043289648
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 16, 2006.
## Identity
- **NPI:** 1043289648 (Entity type: Individual)
- **Enumerated:** March 16, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 52644 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-7737
## 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:** Chmc Anesthesia Foundation Inc (NPI 1831268754, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified J13398; Medicare UPIN F51169; Medicaid 3100758 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1043289648) · Data from the CMS NPPES public registry.