DR. COLLEEN M RYAN MD
NPI 1366461378
Surgery in Boston, MA
About Dr. Colleen M Ryan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COLLEEN M RYAN MD (NPI 1366461378) is an individual surgery provider in Boston, Massachusetts, licensed in Massachusetts (58911) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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)
Dr. Colleen M Ryan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Colleen Ryan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 128 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 02114 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Colleen Ryan's NPI number?
The NPI number for Colleen Ryan is 1366461378. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Colleen Ryan located?
Colleen Ryan practices at 55 Fruit Street Grb 1302 Trauma And Surgical Critical Care, Boston, MA 02114. The listed phone number is (617) 726-3184.
What is Colleen Ryan's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Colleen Ryan enrolled in Medicare?
Yes. Colleen Ryan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Colleen Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Ryan reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and The Shriners' Hospital For Children (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 Colleen Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Ryan accept?
Health plans from Ambetter from NH Healthy Families, AmeriHealth Caritas Next and Taro Health list Colleen Ryan 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 Colleen Ryan was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.