NPPES file of Aug 9, 2026

Lewis C. Cook, MD

Ophthalmology Physician · Texarkana, TX

Lewis C. Cook, MD is an ophthalmology physician with a practice address in Texarkana, Texas, and NPI 1033117593, issued on Jul 8, 2005. Check the license (Texas E1292, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033117593
Name
Lewis C. Cook
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
E1292 TX
Self-reported in NPPES; status is on the state search
Practice location
2323 Kennedy LN, Texarkana, TX 75503
Phone
(903) 793-2020
Enumerated
Jul 8, 2005
Record last updated
Jul 13, 2026
Fax
(903) 793-7481
Medicare enrollment
Enrolled (PECOS I20100921000497); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1967
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Lewis C. Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E1292
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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67% fewer Medicare Part D claims than the average ophthalmology physician in 2024

499 Medicare Part D claims for 117 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Lewis Cook499
  2. Specialty average1,518

Most prescribed

  1. Latanoprost353 claims
  2. Brimonidine Tartrate45 claims
  3. Dorzolamide-Timolol25 claims
  4. Dorzolamide Hcl14 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.

Lewis C. Cook among 1,514 ophthalmology physician records in Texas

Lewis C. Cook, 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
  • Graduated1967 · median 2003 among the 1,052 with a school on file
  • Record last updated2026 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Eugene Ellison, MDTexarkana, TX 755031356341754
  2. Wanda Northam, MDTexarkana, TX 755031780684183
  3. Charles Thornton, M.D.Texarkana, TX 755031245237171
  4. Joshua Wiggins, M.D.Texarkana, TX 755031770740896
  5. Mark Graves, M.D.Paris, TX 754601174560577
  6. Richard Grossnickle, MDParis, TX 754601003800079
  7. David Linn, M.D.Paris, TX 754601265473532
  8. Lawrence Love, M.D.Paris, TX 754601336185404

Common questions

What is Lewis C. Cook, MD's NPI number?

Lewis C. Cook, MD's National Provider Identifier (NPI) is 1033117593, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lewis C. Cook, MD located?

The NPPES record lists a practice address at 2323 Kennedy LN, Texarkana, TX, 75503. Phone: (903) 793-2020. Providers update this record themselves, so call before visiting.

How can I verify Lewis C. Cook, MD's license?

NPPES lists Texas license number E1292, 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 Lewis C. Cook, MD prescribe under Medicare Part D?

In 2024, Lewis C. Cook, MD had 499 Medicare Part D claims for 117 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.