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Edit this profileAt a glance
- 2121 Medical Park Drive, Suite 3, Silver Spring, MD 20902
About Dr. Karr
Based in Silver Spring, MD, Stewart B. Karr, MD is listed in the NPI registry under diagnostic radiology. According to Medicare claims data, Stewart cared for 1,727 Medicare patients across 1,855 services. The services billed most often include x-ray of chest, 1 view, x-ray of chest, 2 views, and ct scan head or brain without contrast. NPI 1477567022 identifies this record in the national registry.
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
- (501) 681-3003
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2121 MEDICAL PARK DRIVE SUITE 3
Silver Spring, MD 20902
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
1,855 services · 1,727 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
50 | More often than most peers in Diagnostic Radiology |
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
35 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
433 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
221 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
209 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
114 | As often as other peers in Diagnostic Radiology |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
104 | More than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
88 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
69 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
49 | 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 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 29 related providers in 4 groups
Other radiologists in Silver Spring 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of fluid from chest cavity using imaging guidance 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Karr?
Dr. Karr is a radiologist in Silver Spring, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Dr. Karr's address?
Dr. Karr is listed at 2121 Medical Park Drive Suite 3, Silver Spring, MD 20902. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Karr?
The number on file is (501) 681-3003. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Karr's NPI number?
Dr. Karr's National Provider Identifier is 1477567022. 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. Karr train?
Dr. Karr attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Karr been practicing?
Dr. Karr has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Karr perform?
According to Medicare billing data, Dr. Karr performs procedures including aspiration of fluid from chest cavity using imaging guidance and drainage of fluid from abdominal cavity using imaging guidance; reads or performs imaging such as x-ray of chest, 1 view and x-ray of chest, 2 views; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Karr confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Karr. If this is you, claiming it is free.
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