Doctor profile · Federal record

Dr. Gregory Blackman, M.D.

Diagnostic Radiology Physician (CMS: Interventional Radiology) · Vascular & Interventional Radiology Physician · Springfield, MA

  • NPI 1811941032
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
271 Carew St, Department of Radiology, Mercy Medical Center
Springfield, MA 011042377
(413) 748-9200
Mailing address
756 Longmeadow St
Longmeadow, MA 011062245

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #76232
Medicaid
MA #0107867

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811941032. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,056
Distinct HCPCS
10
Medicare allowed
$135,735
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 310 229 $9
71046 X-ray of chest, 2 views 197 191 $11
77080 Dxa bone density measurement of hip, pelvis, spine 185 185 $10
77063 Screening 3d breast mammography 164 164 $29
77067 Screening mammography 164 164 $37
70450 Ct scan head or brain without contrast 105 100 $40
74177 Ct scan of abdomen and pelvis with contrast 104 103 $88
93880 Ultrasound of both sides of head and neck blood flow 75 75 $38
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 70 69 $21
71260 Ct scan of chest with contrast 67 65 $55

In context: peer comparison

Among 10 peers in this city , average services per provider: 106. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$126
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 4 $65.14
Bard Peripheral Vascular, Inc. 3 $61.20

By nature of payment

Food and Beverage
$126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Blackman's medical specialty?
Dr. Gregory Blackman practices Diagnostic Radiology Physician in Springfield, MA.
Where does Dr. Gregory Blackman practice?
Dr. Gregory Blackman practices at 271 Carew St, Springfield, MA 011042377. Office phone: 4137489200.
What is Dr. Gregory Blackman's NPI?
Dr. Gregory Blackman's National Provider Identifier (NPI) is 1811941032, issued by NPPES.
Does Dr. Gregory Blackman accept Medicare assignment?
Yes. Dr. Gregory Blackman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Blackman commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.