Doctor profile · Federal record

Dr. Timothy Haaga, M.D.

Surgery Physician (CMS: Diagnostic Radiology) · Honolulu, HI

  • NPI 1558598086
  • Accepts Medicare
  • MIPS 79.5 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1356 Lusitana St, University of Hawaii Dept. of Surgery, 6Th Floor
Honolulu, HI 968132421
(216) 470-5475

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Hawaii #MDR-5732

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558598086. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,896
Distinct HCPCS
10
Medicare allowed
$83,306
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 402 397 $39
71045 X-ray of chest, 1 view 324 315 $9
72125 Ct scan of upper spine without contrast 159 158 $46
74177 Ct scan of abdomen and pelvis with contrast 156 154 $85
71275 Ct scan of blood vessels of chest with contrast 109 108 $84
74176 Ct scan of abdomen and pelvis without contrast 75 74 $82
71046 X-ray of chest, 2 views 60 60 $10
71250 Ct scan of chest without contrast 53 53 $50
71260 Ct scan of chest with contrast 47 47 $52
70498 Ct scan of blood vessels of neck with contrast 45 45 $78

In context: peer comparison

Among 9 peers in Honolulu Surgery Physician, average services per provider: 47. This provider delivers 40× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Haaga's medical specialty?
Dr. Timothy Haaga practices Surgery Physician in Honolulu, HI.
Where does Dr. Timothy Haaga practice?
Dr. Timothy Haaga practices at 1356 Lusitana St, Honolulu, HI 968132421. Office phone: 2164705475.
What is Dr. Timothy Haaga's NPI?
Dr. Timothy Haaga's National Provider Identifier (NPI) is 1558598086, issued by NPPES.
Does Dr. Timothy Haaga accept Medicare assignment?
Yes. Dr. Timothy Haaga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Haaga commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045); Ct scan of upper spine without contrast (HCPCS 72125). Source: CMS Medicare Physician & Other Practitioners file.