SHANNON MARIE LYON
NPI 1952729329
Pediatrics - Pediatric Cardiology in Boston, MA
About Shannon Marie Lyon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON MARIE LYON (NPI 1952729329) is an individual pediatric cardiology provider in Boston, Massachusetts, licensed in Massachusetts (283517) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
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
Shannon Marie Lyon 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 Reassignment
Medicare enrollment records show Shannon Lyon 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
- 220 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 Shannon Lyon's NPI number?
The NPI number for Shannon Lyon is 1952729329. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Shannon Lyon located?
Shannon Lyon practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Shannon Lyon's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Shannon Lyon enrolled in Medicare?
Yes. Shannon Lyon 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 organization bills Medicare for Shannon Lyon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Lyon reassigns Medicare benefits to Boston Childrens Heart 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 Shannon Lyon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannon Lyon accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Shannon Lyon 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 Shannon Lyon was last updated on March 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Shannon Marie Lyon · NPI 1952729329
Pediatric Cardiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 2, 2014.
## Identity
- **NPI:** 1952729329 (Entity type: Individual)
- **Enumerated:** April 2, 2014
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 283517 (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:** Boston Childrens Heart Foundation Inc (NPI 1982680922, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1952729329) · Data from the CMS NPPES public registry.