MARY ELLEN BROWN MD
NPI 1508806092
Pediatrics in Boston, MA
About Mary Ellen Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELLEN BROWN MD (NPI 1508806092) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (236199) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Mary Ellen Brown Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 202 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 02111 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 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Brown's NPI number?
The NPI number for Mary Brown is 1508806092. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Mary Brown located?
Mary Brown practices at 800 Washington St General Pediatrics - Floating Hospital For Children, Boston, MA 02111. The listed phone number is (617) 636-5255.
What is Mary Brown's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mary Brown enrolled in Medicare?
Yes. Mary Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Brown reassigns Medicare benefits to Pratt 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 Mary Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Brown accept?
Health plans from Anthem Blue Cross and Blue Shield list Mary Brown 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 Brown was last updated on April 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mary Ellen Brown, MD · NPI 1508806092
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1508806092 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 236199 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WASHINGTON ST, GENERAL PEDIATRICS - FLOATING HOSPITAL FOR CHILDREN, Boston, MA 02111-1552
- **Phone:** (617) 636-5255 · **Fax:** (617) 636-7719
## 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:** Pratt Pediatric Associates Inc (NPI 1477590511, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 1, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1508806092) · Data from the CMS NPPES public registry.