Physician Profile
Karlyn S. Messer, MD is a healthcare provider in St Louis Park, MN specializing in diagnostic radiology. Medicare claims data shows Karlyn provided 454 services to 450 patients. The services billed most often include screening mammography, x-ray of chest, 2 views, and x-ray for bone length assessment.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6500 EXCELSIOR BLVD
St Louis Park, MN 55426
909 Fulton St SE
Minneapolis, MN 55455
8100 Northland Dr
Bloomington, MN 55431
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.
Abdomen & Pelvis
Bone & Joint
Brain & Head
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
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
Urinary & kidney
Women's health
X-Ray
454 services · 450 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
62 | |
| X-ray of chest, 2 views | Imaging | 71046 |
51 | |
| X-ray for bone length assessment | Imaging | 77073 |
50 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
49 | |
| Screening 3d breast mammography | Imaging | 77063 |
46 | |
| X-ray of entire middle and lower spine, 2-3 views | Imaging | 72082 |
46 | As often as other peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
30 | |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
22 | |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
21 | |
| X-ray of chest, 2 views | Imaging | 71046 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Messer is a radiologist in St Louis Park, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Messer is listed at 6500 Excelsior Blvd, St Louis Park, MN 55426. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (952) 993-3123. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Messer's National Provider Identifier is 1659878775. 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
Dr. Messer attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Messer has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Messer performs imaging including screening mammography and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Messer. 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.