Physician Profile
Maria L. Gregorio, MD
Unclaimed ProfileAbout Dr. Gregorio
Based in Iowa City, IA, Maria L. Gregorio, MD is listed in the NPI registry under radiology. Medicare claims data shows Maria provided 4,198 services to 4,025 patients. The services billed most often include x-ray of chest, 1 view, x-ray of chest, 2 views, and ct scan of abdomen and pelvis with contrast.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (319) 437-5463
- Email not available
Practice Locations
200 HAWKINS DR
Iowa City, IA 52242
Conditions Evaluated or Diagnosed
Within Radiology (Unspecified) 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
- Appendicitis
- Chronic pelvic pain
- Diverticulitis
- Enlarged prostate
- Fatty liver disease
- Gallstones
- Kidney stones
- Ovarian cysts
- Severe stomach pain
- Uterine fibroids
Bone Health
Brain & Spine
- Brain aneurysm
- Spondylolisthesis
- Water On Baby's Brain
Breast
Cancer & Tumors
Chest & Lungs
- Persistent cough
- Suspicious Lung Spot
Digestive
Foot & Ankle
- Heel pain
- Torn Achilles tendon
General
Head & Brain
Head & Face
Injuries
- Ankle sprain
- Bone fractures
- Concussion in Children
- Torn ACL
Joint & Muscle
- Hip pain
- Osteoarthritis
- Shoulder Pain
Joints & Orthopedics
- Avascular necrosis of the hip
- Baker's Cyst
- Rotator cuff tear
- Sacroiliac joint pain
- Stress fracture
- Tennis elbow
- Torn meniscus
Neck & Thyroid
Nerves & Neuropathy
- Carpal tunnel
Pelvic & Reproductive
Spine & Back
- Back pain
- Herniated disc
- Neck pain
- Pinched nerve
- Sciatica
- Spinal stenosis
Vascular
- Aortic aneurysm
- Deep vein thrombosis
- Pelvic Congestion Syndrome
- Peripheral artery disease
- Varicose veins
Procedures & services
Biopsies
- Liver biopsy
- Lung Biopsy
Biopsy
Bone Health
Breast Imaging
CT Scan
Diagnostic Scans
- Ankle MRI
- Bone Scan
- CT Scan With Contrast
- Hip MRI
- Kidney ultrasound
- Low-Dose Lung CT
- Neck CT Scan
- Open MRI
- Pelvic CT Scan
- Pelvic MRI
Interventional Radiology
- Lumbar puncture
- Uterine fibroid embolization
- Vein ablation
MRI
Nuclear Medicine
Pain Relief Procedures
- Guided epidural injection
- Ultrasound-guided musculoskeletal injection
Specialized Imaging
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Soft tissue ultrasound
- Thyroid ultrasound
- Ultrasound
X-Ray
- Chest X-Ray
- X-ray
X-Rays
- Foot X-Ray
- Knee X-Ray
- Spine X-Ray
- Upper GI Series
Procedures Most Often Billed to Medicare
4,198 services · 4,025 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
711 |
| X-ray of chest, 2 views | Imaging | 71046 |
672 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
337 |
| X-ray of chest, 2 views | Imaging | 71046 |
221 |
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
188 |
| Ct scan of chest without contrast | Imaging | 71250 |
185 |
| Ct scan of chest with contrast | Imaging | 71260 |
179 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
139 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
138 |
| X-ray of knee, 1-2 views | Imaging | 73560 |
120 |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other radiologists in Iowa City 7
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in IA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gregorio?
Dr. Gregorio is a radiologist in Iowa City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiology”.
NPI registry
What is Dr. Gregorio's address?
Dr. Gregorio is listed at 200 Hawkins Dr, Iowa City, IA 52242. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gregorio?
The number on file is (319) 437-5463. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gregorio?
Dr. Gregorio's National Provider Identifier is 1255716767. 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. Gregorio train?
Dr. Gregorio attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gregorio have?
Dr. Gregorio has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gregorio perform?
According to Medicare billing data, Dr. Gregorio performs imaging including x-ray of chest, 1 view and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gregorio's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregorio. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.