Doctor profile · Federal record

Dr. David Greatorex, M.D.

Diagnostic Radiology Physician · Portland, ME

  • NPI 1164409264
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
144 State St
Portland, ME 041013776
(207) 879-3000
Mailing address
Po Box 1849
Lewiston, ME 042411849

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 16, 2007
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Maine #015632

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164409264. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,434
Distinct HCPCS
10
Medicare allowed
$51,739
HCPCS Description Services Patients Avg allowed
77063 Screening 3d breast mammography 438 438 $29
77067 Screening mammography 438 438 $37
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 143 139 $29
76642 Limited ultrasound scan of 1 breast 114 111 $35
77065 Diagnostic mammography of 1 breast 106 100 $39
77066 Diagnostic mammography of both breasts 68 67 $48
71045 X-ray of chest, 1 view 41 39 $9
71046 X-ray of chest, 2 views 19 19 $11
77049 Mri scan of both breasts 16 16 $111
77080 Dxa bone density measurement of hip, pelvis, spine 14 14 $10

In context: peer comparison

Among 21 peers in Portland Diagnostic Radiology Physician, average services per provider: 58. This provider delivers 25× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. David Greatorex's medical specialty?
Dr. David Greatorex practices Diagnostic Radiology Physician in Portland, ME.
Where does Dr. David Greatorex practice?
Dr. David Greatorex practices at 144 State St, Portland, ME 041013776. Office phone: 2078793000.
What is Dr. David Greatorex's NPI?
Dr. David Greatorex's National Provider Identifier (NPI) is 1164409264, issued by NPPES.
What procedures does Dr. David Greatorex commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (HCPCS G0279). Source: CMS Medicare Physician & Other Practitioners file.