Gerald Carp, M.D.
NPI 1912963646 · Ophthalmology Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Carp, M.D. is a Ophthalmology Physician provider in Wailuku, HI (NPI 1912963646).
Provider details
- NPI number
- 1912963646
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD11411 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,243 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 809 | $134 |
| Imaging of Retina92134 | 473 | $42 |
| Established Patient Problem Focused Exam of Visual System92012 | 224 | $95 |
| Imaging of Optic Nerve92133 | 155 | $37 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 122 | $113 |
| Exam of Visual Field With Extended Testing92083 | 119 | $68 |
| Photography of the Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 429 | 126 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 249 | 73 |
| Brimonidine Tartrate | 145 | 52 |
| Timolol Maleate | 135 | 52 |
| Dorzolamide Hcl | 128 | 43 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 68 | 19 |
| Erythromycin Basebrand: Erythromycin | 62 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$820 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 239 E Wakea AveKahului, HI 96732-2444Phone: (808) 877-3984Fax: (808) 871-6498
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2018-12-13
Frequently asked questions
- What is Gerald Carp's NPI number?
- Gerald Carp's National Provider Identifier (NPI) is 1912963646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Carp's specialty?
- Gerald Carp is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Carp located?
- Gerald Carp's practice location on file with NPPES is 450 Hookahi St, Wailuku, HI 96793-1474.
- What is Gerald Carp's phone number?
- The practice phone number listed in the NPPES registry for Gerald Carp is (808) 877-3984.
- Does Gerald Carp accept Medicare?
- Gerald Carp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Carp's NPI active?
- Yes — Gerald Carp's NPI (1912963646) is active in the NPPES registry as of the last update on 2018-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.