Joseph Chacko, MD
NPI 1487744975 · Ophthalmology Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1487744975
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E-4513 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,141 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 362 | $68 |
| Established Patient Problem Focused Exam of Visual System92012 | 148 | $45 |
| Imaging of Optic Nerve92133 | 105 | $19 |
| Exam of Visual Field With Extended Testing92083 | 94 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 81 | $118 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 68 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 197 | 38 |
| Prednisone | 85 | 22 |
| Pyridostigmine Bromide | 82 | 21 |
| Brimonidine Tartrate | 51 | 15 |
| Acetazolamidebrand: Acetazolamide Er | 48 | 11 |
| Acetazolamide | 46 | — |
| Timolol Maleate | 33 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2021-07-21
- Certified
- 2021-07-21
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.