Ryan Duggan, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

112598 Issued in GA

Practice address

134 Grandview Ave Ste 101
Waterbury, CT 06708-2507

Phone

(203) 756-8911

NPI assigned

Apr 21, 2016

Last updated

Oct 6, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, WA3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Diagnostic Radiology

Education

University of Connecticut School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Swedish Radia Imaging Center at Edmonds LLCGroup PAC ID 5496778292, 115 clinicians

Diagnostic Radiology Associates LLCGroup PAC ID 7113939505, 24 clinicians

Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians

Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Radia Inc P SGroup PAC ID 9931012812, 275 clinicians

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

South Sound Radiologists Inc P SGroup PAC ID 1254229305, 76 clinicians

Evergreen Radia LLCGroup PAC ID 4587568076, 116 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Waterbury Hospital Hospital, Waterbury, CT, CCN 070005
• Overlake Hospital Medical Center & Clinics Hospital, Bellevue, WA, CCN 500051
• Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024
• Bridgeport Hospital Hospital, Bridgeport, CT, CCN 070010
• Evergreenhealth Medical Center Hospital, Kirkland, WA, CCN 500124

Merit-based Incentive Payment System (MIPS)

Final score

84.52 of 100Reported as group

Quality

56.11

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

87.36 of 100Reported as group

Quality

77.36

Promoting interoperability

100

Improvement activities

40

Cost

74.27

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rduggan367159@direct.ynhh.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Diagnostic Radiology Associates, LLC

  • Radiology Clinic/Center
  • Waterbury, CT
  • NPI 1700837374

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Yale University

  dba Yale Medicine

  • Anesthesiology Physician
  • New Haven, CT
  • NPI 1205822236

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Evergreen Radia LLC

  dba Evergreen Radia

  • Diagnostic Radiology Physician
  • Kirkland, WA
  • NPI 1922095694

  CT

  Medicare reassignment Care Compare group NPD
• Radia Inc P S

  dba Radia

  • Diagnostic Radiology Physician
  • Lynnwood, WA
  • NPI 1932196607

  CT

  Medicare reassignment Care Compare group NPD
• South Sound Radiologists Inc P S

  dba South Sound Radiology

  • Diagnostic Radiology Physician
  • Olympia, WA
  • NPI 1902990500

  CT

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  dba Swedish Imaging Clinics

  • Body Imaging Physician
  • Everett, WA
  • NPI 1114356904
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment Care Compare group NPD
• Swedish Radia Imaging Center at Edmonds LLC

  dba Swedish Radia Edmonds

  • Diagnostic Radiology Physician
  • Edmonds, WA
  • NPI 1164494373

  CT

  Medicare reassignment Care Compare group
• Valley Imaging Partners, LLC

  • Diagnostic Radiology Physician
  • Naugatuck, CT
  • NPI 1366493926
  Medicare reassignment NPD
• Yale University

  • Adult Mental Health Clinic/Center
  • Hamden, CT
  • NPI 1134391824
  NPD
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD
• Swedish Health Services

  dba Swedish Arnold Pavilion Pharmacy

  • Pharmacy
  • Seattle, WA
  • NPI 1477988509
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Bridgeport Hospital

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1649260845
  Care Compare affiliation
• Bridgeport Hospital

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1992910152
  Care Compare affiliation
• Prospect Waterbury, Inc.

  • General Acute Care Hospital
  • Waterbury, CT
  • NPI 1477902641
  Care Compare affiliation
• King County Public Hospital District No. 2

  dba EvergreenHealth Medical Center

  • General Acute Care Hospital
  • Kirkland, WA
  • NPI 1033174933
  Care Compare affiliation
• Overlake Medical Center & Clinics

  • General Acute Care Hospital
  • Bellevue, WA
  • NPI 1598971855
  Care Compare affiliation
• Overlake Medical Center & Clinics

  • General Acute Care Hospital
  • Bellevue, WA
  • NPI 1861432726
  Care Compare affiliation
• Providence Health & Services Washington

  dba Providence St Peter Hospital

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1346250594
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1461196800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1689028045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "134 GRANDVIEW AVE STE 101",
            "city": "WATERBURY",
            "state": "CT",
            "postal_code": "067082507",
            "telephone_number": "203-756-8911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "134 GRANDVIEW AVE STE 101",
            "city": "WATERBURY",
            "state": "CT",
            "postal_code": "067082507",
            "telephone_number": "203-756-8911"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "743 Spring St NE",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "GA",
            "postal_code": "305013715",
            "country_code": "US",
            "telephone_number": "770-219-9000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUGGAN",
        "first_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-21",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CT",
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GA",
            "license": "112598",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CT",
            "license": "69882",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Quercy Duarte
• Kenya Camay Dubenetsky, LMSW
• Alison Ducki, PHARMD
• Rickeeta Dufour, LPC
• Carol Dugay
• Kevin Duignan, MD
• Nnennaya Duke, DO
• Mikolaj Dulaj, M.D.
• Steven B Duley, MFT
• Christine R. Dunbar, PA-C

• Diagnostic Radiology Physician in Waterbury, CT
• Providers in Waterbury, CT by specialty
• Diagnostic Radiology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.