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Edit this profileAt a glance
- 134 Grandview Ave Ste 101, Waterbury, CT 06708
About Dr. 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. The services billed most often include use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, x-ray of chest, 2 views, and ct scan head or brain without contrast. NPI 1689028045 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 756-8911
- Email not available
Practice Locations
134 GRANDVIEW AVE STE 101
Waterbury, CT 06708
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
347 services · 338 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
11 | Less often than most peers in Diagnostic Radiology |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | Procedure | 32408 |
11 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
46 | Less often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
38 | Less often than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
26 | Less often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
25 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
25 | Less often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
21 | Less often than most peers in Diagnostic Radiology |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
19 | Less often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
18 | Less often than most peers in Diagnostic Radiology |
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 radiologists at this location 6
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 radiologists in Waterbury 3
Same specialty, same city.
More connections — 17 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 1
Providers in CT who bill this service to Medicare most often.
Common questions
What does Dr. Duggan specialize in?
Dr. Duggan is a radiologist in Waterbury, CT. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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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