Doctor profile · Federal record

Dr. Alfred Sem, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Dayton, OH

  • NPI 1104890086
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Wyoming St
Dayton, OH 454092722
(937) 709-5051
fax (937) 709-5050
Mailing address
Po Box 750243
Dayton, OH 454750243

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 22, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Florida #ME76864

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104890086. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,860
Distinct HCPCS
10
Medicare allowed
$69,376
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 260 260 $36
71045 X-ray of chest, 1 view 245 237 $9
70450 Ct scan head or brain without contrast 154 153 $41
71046 X-ray of chest, 2 views 96 95 $11
74176 Ct scan of abdomen and pelvis without contrast 96 96 $84
74177 Ct scan of abdomen and pelvis with contrast 92 91 $89
77080 Dxa bone density measurement of hip, pelvis, spine 89 89 $9
71275 Ct scan of blood vessels of chest with contrast 73 73 $89
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 54 53 $22
72100 X-ray of lower and sacral spine, 2-3 views 50 48 $11

In context: peer comparison

Among 30 peers in this city , average services per provider: 93. This provider delivers 20× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alfred Sem's medical specialty?
Dr. Alfred Sem practices Diagnostic Radiology Physician in Dayton, OH.
Where does Dr. Alfred Sem practice?
Dr. Alfred Sem practices at 1 Wyoming St, Dayton, OH 454092722. Office phone: 9377095051.
What is Dr. Alfred Sem's NPI?
Dr. Alfred Sem's National Provider Identifier (NPI) is 1104890086, issued by NPPES.
Does Dr. Alfred Sem accept Medicare assignment?
Yes. Dr. Alfred Sem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alfred Sem commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.