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Edit this profileAt a glance
- 405 E Pinecrest Dr Unit A, Marshall, TX 75670
About Dr. Nadiga
Gana R. Nadiga, MD practices ophthalmology in Marshall, TX. Gana is a 1998 graduate of University of Rochester School of Medicine and Dentistry. Medicare claims data shows Gana provided 585 services to 451 patients. The services billed most often include established patient problem focused exam of visual system, established patient complete exam of visual system, and imaging of optic nerve. The provider's National Provider Identifier (NPI) is 1780681411.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (903) 938-8581
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
405 E PINECREST DR UNIT A
Marshall, TX 75670
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Eye injury and cancer
- Chemical injury to the eye
- Foreign body in the eye
- Hyphema
- Open-globe eye injury
Inflammation, neurologic, and orbit
- Optic neuritis
- Optic neuropathy
- Orbital cellulitis
- Thyroid eye disease
- Uveitis
Most searched conditions
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
- Endothelial corneal transplant
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
- Macular hole surgery
- Pneumatic retinopexy
- Retinal laser treatment
- Scleral buckle surgery
- Vitrectomy
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
585 services · 451 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
31 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
18 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
167 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
153 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
89 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
55 | Less often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
29 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
25 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
18 | Less often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at University of Rochester School of Medicine and Dentistry 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Nadiga specialize in?
Dr. Nadiga is an eye doctor in Marshall, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Nadiga located?
Dr. Nadiga is listed at 405 E Pinecrest Dr Unit A, Marshall, TX 75670. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Nadiga's phone number?
The number on file is (903) 938-8581. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Nadiga?
Dr. Nadiga's National Provider Identifier is 1780681411. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nadiga go to medical school?
Dr. Nadiga attended University of Rochester School of Medicine and Dentistry, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nadiga have?
Dr. Nadiga has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Nadiga do most often?
According to Medicare billing data, Dr. Nadiga performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nadiga's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nadiga. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.