Physician Profile
Michael S. Kobayashi, MD
Unclaimed ProfileAbout Dr. Kobayashi
Michael S. Kobayashi, MD practices diagnostic radiology in Stockton, CA. Michael is a 2005 graduate of Un of California, Irvine, College of Medicine. According to Medicare claims data, Michael cared for 533 Medicare patients across 1,968 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, mri scan of leg joint without contrast, and mri scan of arm joint without contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (209) 475-9871
- Email not available
Practice Locations
1801 E MARCH LN SUITE A130
Stockton, CA 95210
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
- Water On Baby's Brain
Breast
- Breast lump or mass
- Dense Breast Tissue
Chest & Heart
- Blood Clot in Lung
- Suspicious Lung Spot
General
- Swollen Lymph Nodes
Heart & blood vessels
- Aortic aneurysm
Joint & bone
- Hip labral tear
- Shoulder Labrum Tear
- Stress fracture
- Tennis elbow
- Torn Achilles tendon
- Torn ACL
Liver & digestion
- Acute pancreatitis
- Bowel obstruction
- Crohn's disease
- Fatty liver disease
Lungs & breathing
- Community-acquired pneumonia
Men's health
- Varicocele
Neck & Thyroid
- Thyroid nodule
Nerve pain
- Carpal tunnel
Pelvic health
- Chronic pelvic pain
Spine
- Back pain
- Cervical radiculopathy
- Herniated disc
- Neck pain
- Sciatica
Spine & back
- Scoliosis
- Spinal stenosis
Vascular
- Carotid Artery Blockage
- Deep vein thrombosis
Women's health
- Endometriosis
- Pelvic Congestion Syndrome
Procedures & services
Abdominal imaging
- Abdominal X-Ray
Biopsies
- Image-Guided Needle Biopsy
- Thyroid Nodule Biopsy
Bone Density
- Bone Density Scan Referral
Breast Imaging
- Breast MRI
- Breast Ultrasound
- Mammogram
- Ultrasound-Guided Breast Biopsy
CT Scan
- Abdominal CT Scan
- Chest CT Scan
- Emergency CT scan
- Head CT Scan
- Heart Calcium Scan
- Sinus CT Scan
Digestive & liver
- Liver elastography
- Virtual Colonoscopy
Fluoroscopy
- Barium Swallow
General imaging
- Fluoroscopy
- Soft tissue ultrasound
Heart & blood vessels
- Cardiac magnetic resonance imaging
- CT angiogram
- MR Angiogram
Joint & bone
- Hip X-Ray
- Joint injection with dye
- Knee X-Ray
- Wrist MRI
MRI
- Ankle MRI
- Back MRI
- Brain MRI
- Hip MRI
- Knee MRI
- MRI Scan
- Neck MRI
- Open MRI
- Prostate MRI
- Shoulder MRI
Nuclear Medicine
- PET Scan
Pelvic imaging
- Pelvic CT Scan
- Pelvic MRI
Screening & Prevention
- Full Body Scan
- Low-Dose Lung CT
Spine & back
- Spine CT Scan
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
- Kidney ultrasound
Women's health
- Hysterosalpingogram consultation
X-Ray
- Chest X-Ray
- Emergency X-ray
- Spine X-Ray
Procedures Most Often Billed to Medicare
1,968 services · 533 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mri scan of leg joint without contrast | Imaging | 73721 |
85 | As often as other peers in Diagnostic Radiology |
| Mri scan of arm joint without contrast | Imaging | 73221 |
74 | As often as other peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
71 | As often as other peers in Diagnostic Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
70 | More often than most peers in Diagnostic Radiology |
| X-ray of knee, 3 views | Imaging | 73562 |
57 | As often as other peers in Diagnostic Radiology |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
42 | As often as other peers in Diagnostic Radiology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
40 | As often as other peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
30 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
23 | Less often than most peers in Diagnostic Radiology |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
16 | 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.
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 Stockton 8
Same specialty, same city.
Trained at Un of California, Irvine, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2005 at Un of California, Irvine, College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Mri scan of leg joint without contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Kobayashi's specialty?
Dr. Kobayashi is a radiologist in Stockton, 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. Kobayashi?
Dr. Kobayashi is listed at 1801 E March Ln Suite A130, Stockton, CA 95210. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kobayashi?
The number on file is (209) 475-9871. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Kobayashi's NPI number?
Dr. Kobayashi's National Provider Identifier is 1831317684. 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. Kobayashi's medical education?
Dr. Kobayashi attended Un of California, Irvine, College of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Kobayashi been practicing?
Dr. Kobayashi has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Kobayashi known for?
According to Medicare billing data, Dr. Kobayashi performs imaging including mri scan of leg joint without contrast and mri scan of arm joint without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kobayashi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kobayashi. 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.