DR. MEGAN M HANNON MD
NPI 1124203526
Pediatrics - Pediatric Emergency Medicine in Boston, MA
About Dr. Megan M Hannon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MEGAN M HANNON MD (NPI 1124203526) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (243724) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Megan M Hannon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Megan Hannon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 98 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 Megan Hannon's NPI number?
The NPI number for Megan Hannon is 1124203526. It was assigned to this individual provider in the NPPES registry on January 3, 2008.
Where is Megan Hannon located?
Megan Hannon practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Megan Hannon's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Megan Hannon enrolled in Medicare?
Yes. Megan Hannon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Megan Hannon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan Hannon reassigns Medicare benefits to 2 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA) and Children's Orthopaedic Surgery Foundation, Inc. (Boston, MA). Each 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 Megan Hannon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Megan Hannon accept?
Health plans from Taro Health list Megan Hannon 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 Megan Hannon was last updated on December 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Megan M Hannon, MD · NPI 1124203526
Pediatric Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 3, 2008.
## Identity
- **NPI:** 1124203526 (Entity type: Individual)
- **Enumerated:** January 3, 2008
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 243724 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA); Children's Orthopaedic Surgery Foundation, Inc. (NPI 1548344393, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** December 15, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1124203526) · Data from the CMS NPPES public registry.