Karl Holzinger, M.D.
NPI 1245206226 · Ophthalmology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Holzinger, M.D. is a Ophthalmology Physician provider in Honolulu, HI (NPI 1245206226).
Provider details
- NPI number
- 1245206226
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11048 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2008-09-24
Frequently asked questions
- What is Karl Holzinger's NPI number?
- Karl Holzinger's National Provider Identifier (NPI) is 1245206226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Holzinger's specialty?
- Karl Holzinger is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Holzinger located?
- Karl Holzinger's practice location on file with NPPES is 1 Jarrett White Road, Honolulu, HI 96859-5000.
- What is Karl Holzinger's phone number?
- The practice phone number listed in the NPPES registry for Karl Holzinger is (808) 433-6036.
- Does Karl Holzinger accept Medicare?
- Karl Holzinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Holzinger's NPI active?
- Yes — Karl Holzinger's NPI (1245206226) is active in the NPPES registry as of the last update on 2008-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.