Gerard L. Marten-Ellis, M.D.
Ophthalmology Physician · Killeen, TX
Gerard L. Marten-Ellis, M.D. is an ophthalmology physician with a practice address in Killeen, Texas, and NPI 1679545487, issued on Feb 6, 2006. Check the license (Texas G6970, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gerard L. Marten-Ellis
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G6970 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2301 S Clear Creek RD, Killeen, TX 76549
- Phone
- (254) 526-5505
- Enumerated
- Feb 6, 2006
- Record last updated
- Oct 15, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (254) 526-4313
- Medicaid ID
- 110279002 TX
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 2301 S Clear Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gerard L. Marten-Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G6970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,040 Medicare Part D claims for 230 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost324 claims
- Timolol Maleate190 claims
- Dorzolamide Hcl136 claims
- Brimonidine Tartrate94 claims
- Dorzolamide-Timolol88 claims
- Simbrinza27 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $35.04
1 payment: food and beverage; the largest payer was Biotissue Holdings 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.
Gerard L. Marten-Ellis among 1,514 ophthalmology physician records in Texas
Gerard L. Marten-Ellis, M.D. 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 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 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 Killeen → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Luke Barker, M.D.Killeen, TX 765491477717759
- John Esters, M.D.Harker Heights, TX 765481033390265
- Justin Harris, MDFort Cavazos, TX 765441598285736
- Brandon Harris, MDFort Cavazos, TX 765441205252152
- Matthew Ricci, MDFort Cavazos, TX 765441083179634
- Jordan Thomson, D.O.Ft Hood, TX 765421801116934
- Peter Bealka, M.D.Gatesville, TX 765281790133775
- Neil Bealka, M.D.Gatesville, TX 765281336182310
Common questions
What is Gerard L. Marten-Ellis, M.D.'s NPI number?
Gerard L. Marten-Ellis, M.D.'s National Provider Identifier (NPI) is 1679545487, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerard L. Marten-Ellis, M.D. located?
The NPPES record lists a practice address at 2301 S Clear Creek RD, Killeen, TX, 76549. Phone: (254) 526-5505. Providers update this record themselves, so call before visiting.
How can I verify Gerard L. Marten-Ellis, M.D.'s license?
NPPES lists Texas license number G6970, 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 Gerard L. Marten-Ellis, M.D. prescribe under Medicare Part D?
In 2024, Gerard L. Marten-Ellis, M.D. had 1,040 Medicare Part D claims for 230 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Gerard L. Marten-Ellis, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.