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Edit this profileAt a glance
- 300 Pasteur Dr, Stanford, CA 94305
About Dr. Willis
Marc H. Willis, MD practices diagnostic radiology in Stanford, CA. Marc is a 1998 graduate of At Still University of Health Sciences, College of Osteo Med, Kirksville. Medicare claims data shows Marc provided 2,133 services to 1,929 patients. The services billed most often include x-ray of chest, 1 view, x-ray of knee, 3 views, and x-ray of shoulder, minimum of 2 views. The provider's National Provider Identifier (NPI) is 1255494969.
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
- (650) 723-4000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
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
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
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
2,133 services · 1,929 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
191 | As often as other peers in Diagnostic Radiology |
| X-ray of knee, 3 views | Imaging | 73562 |
168 | More than most peers in Diagnostic Radiology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
158 | More than most peers in Diagnostic Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
150 | More than most peers in Diagnostic Radiology |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
126 | More than most peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
111 | More than most peers in Diagnostic Radiology |
| X-ray for bone length assessment | Imaging | 77073 |
103 | More often than most peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
88 | More than most peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
84 | More than most peers in Diagnostic Radiology |
| X-ray of knee, 4 or more views | Imaging | 73564 |
78 | More 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 31 related providers in 4 groups
Other radiologists in Stanford 7
Same specialty, same city.
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Willis's specialty?
Dr. Willis is a radiologist in Stanford, 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. Willis?
Dr. Willis is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Willis?
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Willis?
Dr. Willis's National Provider Identifier is 1255494969. 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. Willis's medical education?
Dr. Willis attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Willis have?
Dr. Willis has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Willis known for?
According to Medicare billing data, Dr. Willis performs imaging including x-ray of chest, 1 view and x-ray of knee, 3 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willis. If this is you, claiming it is free.
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