John Malouf, D.O.
NPI 1659372837 · Ophthalmology Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Malouf, D.O. is a Ophthalmology Physician provider in Corpus Christi, TX (NPI 1659372837).
Provider details
- NPI number
- 1659372837
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- L3387 (TX)
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
20 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
1,454 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) |
|---|---|---|
| Exam of Visual Field With Extended Testing92083 | 226 | $59 |
| Established Patient Problem Focused Exam of Visual System92012 | 217 | $84 |
| Exam of the Internal Drainage System of Eye92020 | 212 | $26 |
| Photography of the Retina92250 | 164 | $33 |
| Imaging of Retina92134 | 127 | $37 |
| Established Patient Complete Exam of Visual System92014 | 123 | $119 |
| Imaging of Optic Nerve92133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 614 | 138 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 281 | 84 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 169 | 90 |
| Brimonidine Tartrate | 152 | 42 |
| Prednisolone Acetate | 104 | 69 |
| Timolol Maleate | 71 | 27 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 55 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2008-11-03
Frequently asked questions
- What is John Malouf's NPI number?
- John Malouf's National Provider Identifier (NPI) is 1659372837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Malouf's specialty?
- John Malouf is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Malouf located?
- John Malouf's practice location on file with NPPES is 5022 Holly Rd, Corpus Christi, TX 78411-4736.
- What is John Malouf's phone number?
- The practice phone number listed in the NPPES registry for John Malouf is (361) 985-2015.
- Does John Malouf accept Medicare?
- John Malouf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Malouf's NPI active?
- Yes — John Malouf's NPI (1659372837) is active in the NPPES registry as of the last update on 2008-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.