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- 275 W Macarthur Blvd, Oakland, CA 94611
About Dr. Chan
Krammie Chan, MD practices diagnostic radiology in Oakland, CA. Krammie is a 1990 graduate of Duke University School of Medicine. Medicare claims data shows Krammie provided 174 services to 172 patients. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and x-ray of chest, 2 views. The provider's National Provider Identifier (NPI) is 1497834105.
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
- (510) 752-1000
- Email not available
Practice Locations
275 W MACARTHUR BLVD
Oakland, CA 94611
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
174 services · 172 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
64 | Less often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
37 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
32 | Less often than most peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
16 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
14 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
11 | 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 Oakland 8
Same specialty, same city.
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at Duke University School of Medicine 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. Chan's specialty?
Dr. Chan is a radiologist in Oakland, 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. Chan?
Dr. Chan is listed at 275 W Macarthur Blvd, Oakland, CA 94611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chan?
The number on file is (510) 752-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chan?
Dr. Chan's National Provider Identifier is 1497834105. 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. Chan's medical education?
Dr. Chan attended Duke University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chan have?
Dr. Chan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chan known for?
According to Medicare billing data, Dr. Chan performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.