MS. MARIE ANNE REILLY M.D.
NPI 1881919181
Pediatrics - Developmental - Behavioral Pediatrics in Boston, MA
About Ms. Marie Anne Reilly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARIE ANNE REILLY M.D. (NPI 1881919181) is an individual developmental - behavioral pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (254444) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
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
Ms. Marie Anne Reilly M.d. 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 Marie Reilly 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
- 1,358 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 Marie Reilly's NPI number?
The NPI number for Marie Reilly is 1881919181. It was assigned to this individual provider in the NPPES registry on March 30, 2010.
Where is Marie Reilly located?
Marie Reilly practices at 300 Longwood Ave Developmental Medicine, Boston, MA 02115. The listed phone number is (617) 355-1933.
What is Marie Reilly's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.
Is Marie Reilly enrolled in Medicare?
Yes. Marie Reilly 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 Marie Reilly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Reilly reassigns Medicare benefits to Children's Hospital Pediatric Associates, 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 Marie Reilly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Reilly accept?
Health plans from Taro Health list Marie Reilly 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 Marie Reilly was last updated on July 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Marie Anne Reilly, M.D. · NPI 1881919181
Developmental - Behavioral Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 30, 2010.
## Identity
- **NPI:** 1881919181 (Entity type: Individual)
- **Enumerated:** March 30, 2010
- **Primary specialty:** Pediatrics - Developmental - Behavioral Pediatrics · taxonomy 2080P0006X
- **State license:** 254444 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 LONGWOOD AVE, DEVELOPMENTAL MEDICINE, Boston, MA 02115-5724
- **Phone:** (617) 355-1933
## 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:** Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** July 8, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1881919181) · Data from the CMS NPPES public registry.