Gana R. Nadiga, MD
Ophthalmology Physician · Marshall, TX
Gana R. Nadiga, MD is an ophthalmology physician with a practice address in Marshall, Texas, and NPI 1780681411, issued on Jul 7, 2005. Check the license (Texas L9824, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gana R. Nadiga
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- L9824 TX
Self-reported in NPPES; status is on the state search - Practice location
- 405 E Pinecrest Dr Unit A, Marshall, TX 75670
- Phone
- (903) 938-8581
- Enumerated
- Jul 7, 2005
- Record last updated
- Aug 22, 2022
- Fax
- (903) 938-9409
- Medicaid ID
- 171063402 TX
- Medicare enrollment
- Enrolled (PECOS I20050215000414); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1998
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 405 E Pinecrest Dr Unit A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- M Hall, M.D.Ophthalmology Physician1104932367
Verify Gana R. Nadiga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,280 Medicare Part D claims for 225 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Latanoprost449 claims
- Brimonidine Tartrate147 claims
- Prednisolone Acetate125 claims
- Moxifloxacin91 claims
- Ketorolac Tromethamine77 claims
- Rocklatan51 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $22.55
1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Marvin Kenneth Hall IIIMarshall, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gana R. Nadiga among 1,514 ophthalmology physician records in Texas
Gana R. Nadiga, MD is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1998 · median 2003 among the 1,052 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Texas
There are 1,514 ophthalmology physician records in Texas.
All 1,514 in Texas → Every provider in Marshall → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- M Hall, M.D.Marshall, TX 756701104932367
- Raymond Ireland, M.D.Hallsville, TX 756501427406263
- Virginia Beall, M.D.Tyler, TX 757011508837212
- Thomas Bochow, M.D., M.P.H.Tyler, TX 757011497726103
- Adam Dossey, M. D.Tyler, TX 757011376546226
- Michael Ford, MDTyler, TX 757011326020736
- Charles Heaton, M. D.Tyler, TX 757011326041377
- Ming Lu, M.D.Tyler, TX 757011225035827
Common questions
What is Gana R. Nadiga, MD's NPI number?
Gana R. Nadiga, MD's National Provider Identifier (NPI) is 1780681411, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gana R. Nadiga, MD located?
The NPPES record lists a practice address at 405 E Pinecrest Dr Unit A, Marshall, TX, 75670. Phone: (903) 938-8581. Providers update this record themselves, so call before visiting.
How can I verify Gana R. Nadiga, MD's license?
NPPES lists Texas license number L9824, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gana R. Nadiga, MD prescribe under Medicare Part D?
In 2024, Gana R. Nadiga, MD had 1,280 Medicare Part D claims for 225 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.