Katherine Emge Marshall, O.D.
Optometrist · Tyler, TX
Katherine Emge Marshall, O.D. is an optometrist with a practice address in Tyler, Texas, and NPI 1093099509, issued on Oct 3, 2011. Check the license (Texas 7830T, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Emge Marshall
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 7830T TX
Self-reported in NPPES; status is on the state search - Practice location
- 136 Shelley Dr, Tyler, TX 75701
- Phone
- (903) 561-8686
- Enumerated
- Oct 3, 2011
- Record last updated
- Oct 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120815000161); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Also registered at 136 Shelley Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Floyd Betts, O.D.Optometrist1801923701
- Larry Chism, O.D.Optometrist1376670216
Verify Katherine Emge Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 7830TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average optometrist in 2024
71 Medicare Part D claims for 44 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth30 claims
- Fluorometholone17 claims
- Latanoprost14 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: $990.41
12 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 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
- Abc EyecareTyler, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Emge Marshall among 5,006 optometrist records in Texas
Katherine Emge Marshall, O.D. is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 54% of them.
- NPI issued2011 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2010 among the 2,894 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Texas
There are 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Tyler → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Floyd Betts, O.D.Tyler, TX 757011801923701
- Larry Chism, O.D.Tyler, TX 757011376670216
- Amy Fisher, O.D.Tyler, TX 757011538223532
- Joshua Hooper, ODTyler, TX 757011154328870
- Jeffrey Hooton, O.D.Tyler, TX 757011295882033
- David Johnson, O.D.Tyler, TX 757011023260569
- Wayne Jones, O.D.Tyler, TX 757011528030095
- Jared Lambson, O.D.Tyler, TX 757011144292269
Common questions
What is Katherine Emge Marshall, O.D.'s NPI number?
Katherine Emge Marshall, O.D.'s National Provider Identifier (NPI) is 1093099509, issued on Oct 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Emge Marshall, O.D. located?
The NPPES record lists a practice address at 136 Shelley Dr, Tyler, TX, 75701. Phone: (903) 561-8686. Providers update this record themselves, so call before visiting.
How can I verify Katherine Emge Marshall, O.D.'s license?
NPPES lists Texas license number 7830T, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Emge Marshall, O.D. prescribe under Medicare Part D?
In 2024, Katherine Emge Marshall, O.D. had 71 Medicare Part D claims for 44 beneficiaries; the average among optometrist prescribers was 277. 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.