Doctor profile · Federal record

Dr. Karen Grajewski, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Ann Arbor, MI

  • NPI 1518351477
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
July 1, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Michigan #4301119185

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518351477. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,336
Distinct HCPCS
10
Medicare allowed
$107,284
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 311 303 $9
74177 Ct scan of abdomen and pelvis with contrast 295 290 $87
71046 X-ray of chest, 2 views 213 209 $10
77080 Dxa bone density measurement of hip, pelvis, spine 156 156 $9
77080 Dxa bone density measurement of hip, pelvis, spine 148 148 $9
74176 Ct scan of abdomen and pelvis without contrast 118 114 $83
71275 Ct scan of blood vessels of chest with contrast 107 105 $84
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 105 101 $114
71260 Ct scan of chest with contrast 92 92 $53
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 88 88 $72

In context: peer comparison

Among 70 peers in Ann Arbor Diagnostic Radiology Physician, average services per provider: 89. This provider delivers 26× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Grajewski's medical specialty?
Dr. Karen Grajewski practices Diagnostic Radiology Physician in Ann Arbor, MI.
Where does Dr. Karen Grajewski practice?
Dr. Karen Grajewski practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Karen Grajewski's NPI?
Dr. Karen Grajewski's National Provider Identifier (NPI) is 1518351477, issued by NPPES.
Does Dr. Karen Grajewski accept Medicare assignment?
Yes. Dr. Karen Grajewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Grajewski commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.