Doctor profile · Federal record

Dr. Harry Greditzer, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Internal Medicine Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Saint Louis, MO

  • NPI 1174753982
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7733 Forsyth Blvd
Saint Louis, MO 631051817
(212) 606-1015
Mailing address
535 E 70Th St
New York, NY 100214823

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
November 5, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (4)
Missouri #2015043933 · Missouri #2009020446 · Florida #ME112133 · New York #274799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174753982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
752
Distinct HCPCS
10
Medicare allowed
$62,532
HCPCS Description Services Patients Avg allowed
73721 Mri scan of leg joint without contrast 113 99 $112
72148 Mri scan of lower spinal canal without contrast 107 92 $108
73700 Ct scan of leg without contrast 99 95 $47
72148 Mri scan of lower spinal canal without contrast 62 62 $70
73221 Mri scan of arm joint without contrast 61 58 $123
73721 Mri scan of leg joint without contrast 49 46 $66
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 47 45 $70
72131 Ct scan of lower spine without contrast 44 44 $47
73200 Ct scan of arm without contrast 31 30 $49
73221 Mri scan of arm joint without contrast 26 26 $64

In context: peer comparison

Among 146 peers in this city , average services per provider: 96. This provider delivers 7.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Greditzer's medical specialty?
Dr. Harry Greditzer practices Diagnostic Radiology Physician in Saint Louis, MO.
Where does Dr. Harry Greditzer practice?
Dr. Harry Greditzer practices at 7733 Forsyth Blvd, Saint Louis, MO 631051817. Office phone: 2126061015.
What is Dr. Harry Greditzer's NPI?
Dr. Harry Greditzer's National Provider Identifier (NPI) is 1174753982, issued by NPPES.
Does Dr. Harry Greditzer accept Medicare assignment?
Yes. Dr. Harry Greditzer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Greditzer commonly perform?
Top Medicare-reported procedures in 2023: Mri scan of leg joint without contrast (HCPCS 73721); Mri scan of lower spinal canal without contrast (HCPCS 72148); Ct scan of leg without contrast (HCPCS 73700). Source: CMS Medicare Physician & Other Practitioners file.