Doctor profile · Federal record

Dr. Gregory Shields, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Buffalo, NY

  • NPI 1013975895
  • Accepts Medicare
  • MIPS 66.3 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 High St
Buffalo, NY 142031126
(716) 859-2954
fax (716) 859-2962
Mailing address
Po Box 1368
Williamsville, NY 142311368

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 6, 2008
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
New York #234818
Medicaid
NY #02625074

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013975895. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,445
Distinct HCPCS
10
Medicare allowed
$106,833
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 2,850 16 $0
71045 X-ray of chest, 1 view 381 315 $9
71046 X-ray of chest, 2 views 213 204 $10
70450 Ct scan head or brain without contrast 185 170 $39
77067 Screening mammography 103 103 $36
74176 Ct scan of abdomen and pelvis without contrast 94 88 $82
74177 Ct scan of abdomen and pelvis with contrast 91 88 $85
71250 Ct scan of chest without contrast 81 81 $50
73030 X-ray of shoulder, minimum of 2 views 65 59 $9
73502 X-ray of hip, 2-3 views 65 61 $11

In context: peer comparison

Among 28 peers in this city , average services per provider: 209. This provider delivers 26× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Shields's medical specialty?
Dr. Gregory Shields practices Diagnostic Radiology Physician in Buffalo, NY.
Where does Dr. Gregory Shields practice?
Dr. Gregory Shields practices at 100 High St, Buffalo, NY 142031126. Office phone: 7168592954.
What is Dr. Gregory Shields's NPI?
Dr. Gregory Shields's National Provider Identifier (NPI) is 1013975895, issued by NPPES.
Does Dr. Gregory Shields accept Medicare assignment?
Yes. Dr. Gregory Shields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Shields commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.