RYAN DUGGAN MD
NPI 1689028045
Radiology - Diagnostic Radiology in Waterbury, CT
About Ryan Duggan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN DUGGAN MD (NPI 1689028045) is an individual diagnostic radiology provider in Waterbury, Connecticut, licensed in Georgia (112598) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and maintains a secondary practice location in Gainesville.
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 and accepts Medicare assignment
Ryan Duggan 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
9Medicare enrollment records show Ryan Duggan reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 10 clinicians in this Medicare group
Naugatuck, CT 06770
- Reassigned Medicare billing, Connecticut enrollment
- 10 clinicians in this Medicare group
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Connecticut enrollment
Everett, WA 98208
- Reassigned Medicare billing, Washington enrollment
- 194 clinicians in this Medicare group
Lynnwood, WA 98036
- Reassigned Medicare billing, Connecticut enrollment
Edmonds, WA 98026
- Reassigned Medicare billing, Connecticut enrollment
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Connecticut enrollment
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 12
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Peter Hospital
Acute Care Hospitals · Olympia, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAEvergreenhealth Medical Center
Acute Care Hospitals · Kirkland, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Duggan's NPI number?
The NPI number for Ryan Duggan is 1689028045. It was assigned to this individual provider in the NPPES registry on April 21, 2016.
Where is Ryan Duggan located?
Ryan Duggan practices at 134 Grandview Ave Ste 101, Waterbury, CT 06708. The listed phone number is (203) 756-8911.
What is Ryan Duggan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ryan Duggan enrolled in Medicare?
Yes. Ryan Duggan 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 Duggan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Duggan reassigns Medicare benefits to 9 organizations: Diagnostic Radiology Associates, LLC (Waterbury, CT), Valley Imaging Partners, LLC (Naugatuck, CT), Yale University (Hamden, CT), Evergreen Radia LLC (Kirkland, WA), Swedish Health Services (Everett, WA) and 4 more organizations, listed in the Medicare section above. 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 Duggan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Duggan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Ryan Duggan 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 Duggan affiliated with any hospitals?
According to CMS data, Ryan Duggan is affiliated with Providence St Peter Hospital, Overlake Hospital Medical Center and Evergreenhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Ryan Duggan was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
# Ryan Duggan, MD · NPI 1689028045
Diagnostic Radiology physician in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since April 21, 2016.
## Identity
- **NPI:** 1689028045 (Entity type: Individual)
- **Enumerated:** April 21, 2016
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 112598 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 134 GRANDVIEW AVE STE 101, Waterbury, CT 06708-2507
- **Phone:** (203) 756-8911
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Diagnostic Radiology Associates, LLC (NPI 1700837374, Waterbury, CT); Valley Imaging Partners, LLC (NPI 1366493926, Naugatuck, CT); Yale University (NPI 1134391824, Hamden, CT); Evergreen Radia LLC (NPI 1922095694, Kirkland, WA); Swedish Health Services (NPI 1114356904, Everett, WA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** October 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689028045) · Data from the CMS NPPES public registry.