MARGARET AILEEN STEFATER-RICHARDS MD, PHD
NPI 1194090571
Pediatrics - Pediatric Endocrinology in Boston, MA
About Margaret Aileen Stefater-richards Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET AILEEN STEFATER-RICHARDS MD, PHD (NPI 1194090571) is an individual pediatric endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (262084) and active in the NPI registry since March 2012. 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)
Margaret Aileen Stefater-richards Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Stefater-richards 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 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 195 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 02115 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 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 Margaret Stefater-richards's NPI number?
The NPI number for Margaret Stefater-richards is 1194090571. It was assigned to this individual provider in the NPPES registry on March 18, 2012.
Where is Margaret Stefater-richards located?
Margaret Stefater-richards practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6369.
What is Margaret Stefater-richards's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Margaret Stefater-richards enrolled in Medicare?
Yes. Margaret Stefater-richards is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Stefater-richards's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Stefater-richards reassigns Medicare benefits to 2 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA) and Child Health Foundation Of Boston, 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 Margaret Stefater-richards's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Stefater-richards accept?
Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Margaret Stefater-richards 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 Margaret Stefater-richards was last updated on October 3, 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.
# Margaret Aileen Stefater-Richards, MD, PHD · NPI 1194090571
Pediatric Endocrinology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 18, 2012.
## Identity
- **NPI:** 1194090571 (Entity type: Individual)
- **Enumerated:** March 18, 2012
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** 262084 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6369
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA); Child Health Foundation Of Boston, Inc. (NPI 1619969920, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1194090571) · Data from the CMS NPPES public registry.