Ryan Duggan, MD
Diagnostic Radiology Physician · Waterbury, CT
Ryan Duggan, MD is a diagnostic radiology physician with a practice address in Waterbury, Connecticut, and NPI 1689028045, issued on Apr 21, 2016. Check the license (Connecticut 69882, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Duggan
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 69882 CT
Self-reported in NPPES; status is on the state search - Practice location
- 134 Grandview Ave Ste 101, Waterbury, CT 06708
- Phone
- (203) 756-8911
- Enumerated
- Apr 21, 2016
- Record last updated
- Aug 17, 2022
- Medicare enrollment
- Enrolled (PECOS I20220513002087); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 619 in Connecticut → Look up another NPI →
Verify Ryan Duggan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 69882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $129.56
6 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 7 group practices
- Diagnostic Radiology Associates LLCWaterbury, CT
- Evergreen Radia LLCEaston, CT
- Radia Inc P SFairfield, CT
- South Sound Radiologists Inc P SEaston, CT
- Swedish Health ServicesRedmond, WA
- Swedish Health ServicesSeattle, WA
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Duggan among 619 diagnostic radiology physician records in Connecticut
Ryan Duggan, MD is one of 619 diagnostic radiology physician records with a practice address in Connecticut. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 87% of them.
- NPI issued2016 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2016 · median 2003 among the 432 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Connecticut
There are 619 diagnostic radiology physician records in Connecticut.
All 619 in Connecticut → Every provider in Waterbury → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Anthony Carter, MDWaterbury, CT 067081154388569
- Andrew Lawson, MDWaterbury, CT 067081861459125
- Stephen Stein, MDWaterbury, CT 067081770540031
- Marco Verga, MDWaterbury, CT 067081689631947
- Reza Pakdaman, M.D.Waterbury, CT 067061225358682
- Joseph Privitera, M.D.Bantam, CT 067501699014399
- Tiffany Dube, M.D. PH.D..Naugatuck, CT 067701225285950
- James Brown, M.D.Torrington, CT 067901679779268
Common questions
What is Ryan Duggan, MD's NPI number?
Ryan Duggan, MD's National Provider Identifier (NPI) is 1689028045, issued on Apr 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Duggan, MD located?
The NPPES record lists a practice address at 134 Grandview Ave Ste 101, Waterbury, CT, 06708. Phone: (203) 756-8911. Providers update this record themselves, so call before visiting.
How can I verify Ryan Duggan, MD's license?
NPPES lists Connecticut license number 69882, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Ryan Duggan, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.