Doctor profile · Federal record

Dr. Eric Spak, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Tamuning, GU

  • NPI 1053525170
  • Accepts Medicare
  • MIPS 85.4 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Frank H Cushing Way # 3A
Tamuning, GU 969134067
(671) 687-6544

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
February 21, 2017
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Guam #M1501

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053525170. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,373
Distinct HCPCS
10
Medicare allowed
$192,597
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 3,040 28 $0
71045 X-ray of chest, 1 view 830 580 $9
70450 Ct scan head or brain without contrast 373 319 $41
74177 Ct scan of abdomen and pelvis with contrast 158 143 $89
71046 X-ray of chest, 2 views 141 136 $11
93990 Ultrasound of hemodialysis access 96 87 $142
74176 Ct scan of abdomen and pelvis without contrast 95 87 $85
76706 Ultrasound scan of abdominal aorta 92 92 $118
71275 Ct scan of blood vessels of chest with contrast 90 87 $86
93925 Ultrasound of leg arteries or artery grafts 88 81 $263

In context: peer comparison

Among 3 peers in Tamuning Diagnostic Radiology Physician, average services per provider: 492. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Spak's medical specialty?
Dr. Eric Spak practices Diagnostic Radiology Physician in Tamuning, GU.
Where does Dr. Eric Spak practice?
Dr. Eric Spak practices at 301 Frank H Cushing Way # 3A, Tamuning, GU 969134067. Office phone: 6716876544.
What is Dr. Eric Spak's NPI?
Dr. Eric Spak's National Provider Identifier (NPI) is 1053525170, issued by NPPES.
Does Dr. Eric Spak accept Medicare assignment?
Yes. Dr. Eric Spak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Spak commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.