RYNE ALEXANDRA DIDIER MD
NPI 1104117209
Radiology - Pediatric Radiology in Boston, MA
About Ryne Alexandra Didier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYNE ALEXANDRA DIDIER MD (NPI 1104117209) is an individual pediatric radiology provider in Boston, Massachusetts, licensed in Massachusetts (262004) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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)
Ryne Alexandra Didier Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Ryne Didier reassigns Medicare billing to 5 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
- 77 clinicians in this Medicare group
Honesdale, PA 18431
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Doylestown, PA 18901
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Bala Cynwyd, PA 19004
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Clinical Care Associates Of The University Of Pennsylvania Health.
- 983 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 76 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Children's Hospital
Childrens · Boston, MAOther 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 Ryne Didier's NPI number?
The NPI number for Ryne Didier is 1104117209. It was assigned to this individual provider in the NPPES registry on April 22, 2011.
Where is Ryne Didier located?
Ryne Didier practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Ryne Didier's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Ryne Didier enrolled in Medicare?
Yes. Ryne Didier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ryne Didier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryne Didier reassigns Medicare benefits to 5 organizations: Children's Hospital Radiology Foundation, Inc. (Boston, MA), Geisinger Clinic (Honesdale, PA), University Of Penn - Medical Group (Doylestown, PA), Clinical Care Associates Of The University Of Pennsylvania Health Syst (Bala Cynwyd, PA) and Radiology Associates Of Children's Hospital, Inc (Philadelphia, PA). 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 Ryne Didier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryne Didier accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, AmeriHealth Caritas Next and CareSource and 1 other insurer list Ryne Didier 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.
Is Ryne Didier affiliated with any hospitals?
According to CMS data, Ryne Didier is affiliated with Boston Children's Hospital.
When was this NPI record last updated?
The NPPES record for Ryne Didier was last updated on October 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ryne Alexandra Didier, MD · NPI 1104117209
Pediatric Radiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 22, 2011.
## Identity
- **NPI:** 1104117209 (Entity type: Individual)
- **Enumerated:** April 22, 2011
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** 262004 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Radiology Foundation, Inc. (NPI 1487681912, Boston, MA); Geisinger Clinic (NPI 1720495393, Honesdale, PA); University Of Penn - Medical Group (NPI 1538056163, Doylestown, PA); Clinical Care Associates Of The University Of Pennsylvania Health Syst (NPI 1790737468, Bala Cynwyd, PA); Radiology Associates Of Children's Hospital, Inc (NPI 1467403261, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** October 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1104117209) · Data from the CMS NPPES public registry.