Timothy Haaga, M.D.
NPI 1558598086 · Surgery Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Haaga, M.D. is a Surgery Physician provider in Honolulu, HI (NPI 1558598086).
Provider details
- NPI number
- 1558598086
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MDR-5732 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,848 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 429 | $37 |
| X-Ray of Chest, 1 View71045 | 281 | $8 |
| Ct Scan of Upper Spine Without Contrast72125 | 214 | $44 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 169 | $80 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 105 | $81 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 62 | $78 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-10
- Last updated
- 2009-06-10
Frequently asked questions
- What is Timothy Haaga's NPI number?
- Timothy Haaga's National Provider Identifier (NPI) is 1558598086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Haaga's specialty?
- Timothy Haaga is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Haaga located?
- Timothy Haaga's practice location on file with NPPES is 1356 Lusitana St, Honolulu, HI 96813-2421.
- What is Timothy Haaga's phone number?
- The practice phone number listed in the NPPES registry for Timothy Haaga is (216) 470-5475.
- Does Timothy Haaga accept Medicare?
- Timothy Haaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Haaga's NPI active?
- Yes — Timothy Haaga's NPI (1558598086) is active in the NPPES registry as of the last update on 2009-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.