Gana R. Nadiga, MD

Medicare activity in 2024

Official CMS public-use data for Gana R. Nadiga, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient problem focused exam of visual system (92012)167 services
2. Established patient complete exam of visual system (92014)153 services
3. Imaging of optic nerve (92133)89 services
4. Measurement of corneal curvature and depth of eye (92136)55 services
5. Removal of cataract with insertion of prosthetic lens (66984)31 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis54%
• Diabetes45%
• Chronic kidney disease34%
• Ischemic heart disease33%

Hospitals where Gana R. Nadiga works

Medicare's Facility Affiliation Data lists Gana R. Nadiga at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• CHRISTUS Good Shepherd Medical CenterLongview, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450032

Practice locations

Addresses where Gana R. Nadiga is enrolled with Medicare (CMS data updated October 2, 2026).

• 405 E Pinecrest Dr, Unit AMarshall, TX 75670 (903) 938‑8581

Group practices

Medicare enrollment lists Gana R. Nadiga as a member of this group (CMS data updated October 2, 2026).

• Marvin Kenneth Hall III2 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Texas →

Other ophthalmologists in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

• Marvin K. Hall Iii, MD
• Cheryl J. Horton, MD
• Duc Tran, DO
• John A. Campagna, MD
• Amir Mohsenin, MD
• Jacob Blair, DO
• Richard B. Briggs, MD
• Shanna J. Brown, MD

All ophthalmologists in Texas →

Other clinicians in Marvin Kenneth Hall III

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Marvin K. Hall Iii, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians