John Marshall, O.D.
Optometrist · Big Spring, TX
John Marshall, O.D. is an optometrist with a practice address in Big Spring, Texas, and NPI 1295754000, issued on Jul 19, 2006. Check the license (Texas 2618TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Marshall
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2618TG TX
Self-reported in NPPES; status is on the state search - Practice location
- 2311 Scurry St, Big Spring, TX 79720
- Phone
- (432) 263-2501
- Enumerated
- Jul 19, 2006
- Record last updated
- Sep 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 0201691-01 TX
- Medicare enrollment
- Enrolled (PECOS I20120302000551); accepts Medicare assignment
- Medical or professional school
- University Of Houston - College Of Optometry, 1979
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Also registered at 2311 Scurry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ted Seymore, O.D.Optometrist1770694549
- Clipper Strickland, O.D.Optometrist1245493634
Verify John 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 2618TGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average optometrist in 2024
237 Medicare Part D claims for 45 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost120 claims
- Timolol Maleate46 claims
- Dorzolamide-Timolol14 claims
- Cosopt Pf13 claims
- Brimonidine Tartrate11 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.
Bills Medicare through one group practice
- Eye Associates, IncBig Spring, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Marshall among 5,006 optometrist records in Texas
John 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 65% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1979 · median 2010 among the 2,894 with a school on file
- Record last updated2010 · 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).
5 optometrist records list a practice address in Big Spring
They are 5 of the 383 NPPES records with a practice address in Big Spring, and 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Big Spring → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Carolyn Chakuroff, ODBig Spring, TX 797201710447826
- J Gale Kilgore, ODBig Spring, TX 797201093727265
- Ted Seymore, O.D.Big Spring, TX 797201770694549
- Clipper Strickland, O.D.Big Spring, TX 797201245493634
- James Carpenter, O.D.Midland, TX 797071932119765
- Billy Cook, O.D.Midland, TX 797071629060199
- Jeffery Grigsby, O.D.Midland, TX 797071447242912
- Hillary Lavender, O.D.Midland, TX 797071760902860
Common questions
What is John Marshall, O.D.'s NPI number?
John Marshall, O.D.'s National Provider Identifier (NPI) is 1295754000, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Marshall, O.D. located?
The NPPES record lists a practice address at 2311 Scurry St, Big Spring, TX, 79720. Phone: (432) 263-2501. Providers update this record themselves, so call before visiting.
How can I verify John Marshall, O.D.'s license?
NPPES lists Texas license number 2618TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does John Marshall, O.D. prescribe under Medicare Part D?
In 2024, John Marshall, O.D. had 237 Medicare Part D claims for 45 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.