NPPES file of Aug 9, 2026

Clay Ramsey Crain, OD

Optometrist · Houston, TX

Clay Ramsey Crain, OD is an optometrist with a practice address in Houston, Texas, and NPI 1821986415, issued on Jun 24, 2025. Check the license (Texas 11479, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1821986415
Name
Clay Ramsey Crain
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
11479 TX
Self-reported in NPPES; status is on the state search
Practice location
365 Greens RD, Houston, TX 77060
Phone
(281) 875-6800
Enumerated
Jun 24, 2025
Record last updated
Jul 2, 2025
Medicare enrollment
Enrolled (PECOS I20250724004427); accepts Medicare assignment
Medical or professional school
University Of Houston - College Of Optometry, 2025
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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8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →

Also registered at 365 Greens RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richardson Pham, ODOptometrist1457923054

Verify Clay Ramsey Crain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 11479    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
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Med Southwest PLLCHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clay Ramsey Crain among 5,006 optometrist records in Texas

Clay Ramsey Crain, OD 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 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2025 · median 2010 among the 2,894 with a school on file
  • Record last updated2025 · 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).

770 optometrist records list a practice address in Houston

They are 770 of the 61,221 NPPES records with a practice address in Houston, and 5,006 optometrist records in Texas.

All 5,006 in Texas → Every provider in Houston → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Sylvia Brown, O.D.Houston, TX 770601447447917
  2. Siddhi Chandra, ODHouston, TX 770601740936392
  3. Khalil Marcha, O.D.Houston, TX 770601306925573
  4. Bao-Tran Nguyen, O.D.Houston, TX 770601629114798
  5. Richardson Pham, ODHouston, TX 770601457923054
  6. German Saavedra, ODHouston, TX 770601609007392
  7. Katherine Tran, O.D.Houston, TX 770601649584095
  8. Catherine Brooks, O.D.Houston, TX 770591952443681

Common questions

What is Clay Ramsey Crain, OD's NPI number?

Clay Ramsey Crain, OD's National Provider Identifier (NPI) is 1821986415, issued on Jun 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Clay Ramsey Crain, OD located?

The NPPES record lists a practice address at 365 Greens RD, Houston, TX, 77060. Phone: (281) 875-6800. Providers update this record themselves, so call before visiting.

How can I verify Clay Ramsey Crain, OD's license?

NPPES lists Texas license number 11479, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.