Gana Nadiga, MD
NPI 1780681411 · Ophthalmology Physician · Marshall, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gana Nadiga, MD is a Ophthalmology Physician provider in Marshall, TX (NPI 1780681411).
Provider details
- NPI number
- 1780681411
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L9824 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
585 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 Problem Focused Exam of Visual System92012 | 167 | $79 |
| Established Patient Complete Exam of Visual System92014 | 153 | $111 |
| Imaging of Optic Nerve92133 | 89 | $32 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 55 | $23 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 31 | $467 |
| New Patient Complete Exam of Visual System92004 | 29 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 449 | 98 |
| Brimonidine Tartrate | 147 | 41 |
| Prednisolone Acetate | 125 | 78 |
| Moxifloxacin Hclbrand: Moxifloxacin | 91 | 65 |
| Ketorolac Tromethamine | 77 | 56 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 51 | — |
| Cyclosporinebrand: Restasis | 45 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2022-08-22
- Certified
- 2022-08-22
Frequently asked questions
- What is Gana Nadiga's NPI number?
- Gana Nadiga's National Provider Identifier (NPI) is 1780681411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gana Nadiga's specialty?
- Gana Nadiga is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gana Nadiga located?
- Gana Nadiga's practice location on file with NPPES is 405 E Pinecrest Dr Unit a, Marshall, TX 75670-7200.
- What is Gana Nadiga's phone number?
- The practice phone number listed in the NPPES registry for Gana Nadiga is (903) 938-8581.
- Does Gana Nadiga accept Medicare?
- Gana Nadiga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gana Nadiga's NPI active?
- Yes — Gana Nadiga's NPI (1780681411) is active in the NPPES registry as of the last update on 2022-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.