Physician Profile
Unclaimed ProfileAbout DUGGAN
Based in Waterbury, CT, Ryan Duggan, MD is listed in the NPI registry under diagnostic radiology. Ryan graduated from University of Connecticut School of Medicine in 2016. Ryan is also listed as specializing in student in an organized health care education program. Medicare claims data shows Ryan provided 347 services to 338 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 756-8911
- Email not available
Practice Locations
134 GRANDVIEW AVE STE 101
Waterbury, CT 06708
Procedures Most Often Billed to Medicare
347 services · 338 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
11 |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | Procedure | 32408 |
11 |
| X-ray of chest, 2 views | Imaging | 71046 |
46 |
| Ct scan head or brain without contrast | Imaging | 70450 |
38 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
26 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
25 |
| X-ray of chest, 1 view | Imaging | 71045 |
25 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
21 |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
19 |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Waterbury 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Connecticut School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at University of Connecticut School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy and aspiration of bone marrow sample for diagnosis 8
Providers in CT who bill this service to Medicare most often.
Common questions
What does Dr. Duggan specialize in?
Dr. Duggan is a diagnostic radiology in Waterbury, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Duggan located?
Dr. Duggan is listed at 134 GRANDVIEW AVE STE 101, Waterbury, CT 06708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Duggan's phone number?
The number on file is (203) 756-8911. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Duggan?
Dr. Duggan's National Provider Identifier is 1689028045. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Duggan go to medical school?
Dr. Duggan attended University of Connecticut School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Duggan have?
Dr. Duggan has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Duggan do most often?
According to Medicare billing data, Dr. Duggan performs procedures including biopsy and aspiration of bone marrow sample for diagnosis and core needle biopsy of lung or center cavity of chest , accessed through skin; reads or performs imaging such as x-ray of chest, 2 views and ct scan head or brain without contrast; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Duggan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duggan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.