DR. RYAN EID MD
NPI 1215464540
Internal Medicine - Allergy & Immunology in Duxbury, MA
About Dr. Ryan Eid Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN EID MD (NPI 1215464540) is an individual allergy & immunology provider in Duxbury, Massachusetts, licensed in Massachusetts (281713) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of University Of Louisville School Of Medicine (2017).
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 and accepts Medicare assignment
Dr. Ryan Eid Md 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 Reassignments
3Medicare enrollment records show Ryan Eid reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 2 clinicians in this Medicare group
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 419 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02332 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ryan Eid's NPI number?
The NPI number for Ryan Eid is 1215464540. It was assigned to this individual provider in the NPPES registry on May 17, 2017.
Where is Ryan Eid located?
Ryan Eid practices at 40 Tremont St Ste 52, Duxbury, MA 02332. The listed phone number is (781) 934-6200.
What is Ryan Eid's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Ryan Eid enrolled in Medicare?
Yes. Ryan Eid 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 organizations bill Medicare for Ryan Eid's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Eid reassigns Medicare benefits to 3 organizations: South Shore Allergy & Asthma Specialists P.C. (South Weymouth, MA), Harbor Medical Associates, Inc. (South Weymouth, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Ryan Eid's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Eid accept?
Health plans from Anthem Blue Cross and Blue Shield list Ryan Eid 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 Ryan Eid affiliated with any hospitals?
According to CMS data, Ryan Eid is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Eid was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.