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Edit this profileAt a glance
- 415 Rolling Oaks Dr Ste 1601252, Thousand Oaks, CA 91361
About Dr. Sitarz
Robert S. Sitarz, MD is a healthcare provider in Thousand Oaks, CA specializing in diagnostic radiology. Robert trained at Chicago College of Medicine and Surgery, graduating in 2006. Robert is also listed as specializing in student in an organized health care education program. Medicare claims data shows Robert provided 35,791 services to 1,865 patients. The services billed most often include injection, gadoterate meglumine, 0.1 ml, low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, and piflufolastat f-18, diagnostic, 1 millicurie. This provider record is associated with NPI 1831307677.
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
- (805) 778-1521
- Email not available
Practice Locations
415 ROLLING OAKS DR STE 1601252
Thousand Oaks, CA 91361
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
35,791 services · 1,865 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
255 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
174 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
157 | As often as other peers in Diagnostic Radiology |
| Mri scan of abdomen before and after contrast | Imaging | 74183 |
89 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
89 | More often than most peers in Diagnostic Radiology |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
85 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
64 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
60 | Less often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
41 | Less often than most peers in Diagnostic Radiology |
| 3d radiographic procedure | Imaging | 76376 |
37 | As often as other 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 Thousand Oaks 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Chicago College of Medicine and Surgery 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Chicago College of Medicine and Surgery 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine study from skull base to mid-thigh with ct scan 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Sitarz specialize in?
Dr. Sitarz is a radiologist in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. Sitarz located?
Dr. Sitarz is listed at 415 Rolling Oaks Dr Ste 1601252, Thousand Oaks, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sitarz's phone number?
The number on file is (805) 778-1521. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Sitarz?
Dr. Sitarz's National Provider Identifier is 1831307677. 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. Sitarz go to medical school?
Dr. Sitarz attended Chicago College of Medicine and Surgery, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sitarz have?
Dr. Sitarz has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sitarz do most often?
According to Medicare billing data, Dr. Sitarz performs imaging including nuclear medicine study from skull base to mid-thigh with ct scan and ct scan of chest without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sitarz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sitarz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.