NPPES file of Aug 9, 2026

Ryne Alexandra Didier, MD

Pediatric Radiology Physician · Boston, MA

Ryne Alexandra Didier, MD is a pediatric radiology physician with a practice address in Boston, Massachusetts, and NPI 1104117209, issued on Apr 22, 2011. Check the license (Massachusetts 262004, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104117209
Name
Ryne Alexandra Didier
Credential
MD
Primary taxonomy
Pediatric Radiology Physician 2085P0229X
License numbers
262004 MA
MD460951 PA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-6000
Enumerated
Apr 22, 2011
Record last updated
Oct 26, 2022
Medicare enrollment
Enrolled (PECOS I20160928000151); may accept Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Longwood Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Ryne Alexandra Didier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 262004
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Children's Hospital Radiology Foundation, Inc.Boston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ryne Alexandra Didier among 37 pediatric radiology physician records in Massachusetts

Ryne Alexandra Didier, MD is one of 37 pediatric radiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.

  • NPI issued2011 · 76% of these records are older, 14% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2010 · median 1996 among the 27 with a school on file
  • Record last updated2022 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085P0229X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Radiology Physician providers in Massachusetts

There are 37 pediatric radiology physician records in Massachusetts.

The 8 pediatric radiology physician records with the nearest ZIP codes

  1. Michael Callahan, MDBoston, MA 021151285662668
  2. Maria Calvo Garcia, MDBoston, MA 021151356436109
  3. Gulraiz Chaudry, M.D.Boston, MA 021151639267560
  4. Kee Chung, MDBoston, MA 021151356329148
  5. Robert Cleveland, MDBoston, MA 021151215018411
  6. Amy Danehy, M.D.Boston, MA 021151144230467
  7. Kirsten Ecklund, MDBoston, MA 021151174609085
  8. Rick FairBoston, MA 021151427166172

Common questions

What is Ryne Alexandra Didier, MD's NPI number?

Ryne Alexandra Didier, MD's National Provider Identifier (NPI) is 1104117209, issued on Apr 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ryne Alexandra Didier, MD located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.

How can I verify Ryne Alexandra Didier, MD's license?

NPPES lists Massachusetts license number 262004, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.