Physician Profile
Robert G. Dionisio, MD
Unclaimed ProfileAbout Dr. Dionisio
Robert G. Dionisio, MD practices diagnostic radiology in San Francisco, CA. According to Medicare claims data, Robert cared for 147 Medicare patients across 151 services. The services billed most often include x-ray for bone length assessment, 3d radiographic procedure with computerized image postprocessing, and x-ray of chest, 1 view.
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
Source: NPPES NPI Registry
Contact Information
- (415) 353-2887
- Email not available
Practice Locations
505 PARNASSUS AVE FL 3
San Francisco, CA 94143
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
- Uterine fibroids
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
151 services · 147 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray for bone length assessment | Imaging | 77073 |
45 |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
44 |
| X-ray of chest, 1 view | Imaging | 71045 |
21 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
16 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
13 |
| Ct scan head or brain without contrast | Imaging | 70450 |
12 |
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 3
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 San Francisco 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray for bone length assessment 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Dionisio's specialty?
Dr. Dionisio is a radiologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Dr. Dionisio?
Dr. Dionisio is listed at 505 Parnassus Ave Fl 3, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Dionisio?
The number on file is (415) 353-2887. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Dionisio's NPI number?
Dr. Dionisio's National Provider Identifier is 1629539754. 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
What is Dr. Dionisio's medical education?
Dr. Dionisio attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Dionisio been practicing?
Dr. Dionisio has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Dionisio known for?
According to Medicare billing data, Dr. Dionisio performs imaging including x-ray for bone length assessment and 3d radiographic procedure with computerized image postprocessing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Dionisio confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dionisio. 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.