NPPES file of Aug 9, 2026

John Hadden Ownby, MD

Neurology Physician · Pearland, TX

John Hadden Ownby, MD is a neurology physician with a practice address in Pearland, Texas, and NPI 1558343988, issued on Nov 21, 2005. Check the license (Texas K9142, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558343988
Name
John Hadden Ownby
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
K9142 TX
Self-reported in NPPES; status is on the state search
Practice location
10905 Memorial Hermann Dr Ste 111, Pearland, TX 77584
Phone
(281) 929-4727
Enumerated
Nov 21, 2005
Record last updated
Sep 19, 2024
Fax
(281) 929-4728
Medicare enrollment
Enrolled (PECOS I20100831000404); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1986
Telehealth
Offers telehealth (CMS)
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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Also registered at 10905 Memorial Hermann Dr Ste 111

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

  1. Kristie Chu, MDNeurology Physician1780078089
  2. Tiffany Cossey, M.D.Vascular Neurology Physician1053601344
  3. Joshuae Gallardo, M.D.Epilepsy Physician1689985962
  4. Billy Gao, MDNeurology Physician1699092304
  5. Ariana GeisseClinical Social Worker1346695269
  6. Judy Jia, M.D.Vascular Neurology Physician1588983134

Verify John Hadden Ownby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9142
    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

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 2 group practices

  1. Mhs Physicians OF TexasPearland, TX
  2. Premier Family Care I IncMidland, TX

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

John Hadden Ownby among 1,382 neurology physician records in Texas

John Hadden Ownby, MD is one of 1,382 neurology physician records with a practice address in Texas. 82% 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, 89% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1986 · median 2003 among the 930 with a school on file
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Texas

There are 1,382 neurology physician records in Texas.

The 8 neurology physician records with the nearest ZIP codes

  1. Kristie Chu, MDPearland, TX 775841780078089
  2. Kathleen Eberle, MDPearland, TX 775841356323943
  3. Billy Gao, MDPearland, TX 775841699092304
  4. Lynette Gogol, D.O.Pearland, TX 775841225062862
  5. Claude Nguyen, MDPearland, TX 775841619130929
  6. Courtney Preston, MDPearland, TX 775841831449230
  7. Cuie Qiu, MDPearland, TX 775841972738045
  8. Tzu-Ching WuPearland, TX 775841396930426

Common questions

What is John Hadden Ownby, MD's NPI number?

John Hadden Ownby, MD's National Provider Identifier (NPI) is 1558343988, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Hadden Ownby, MD located?

The NPPES record lists a practice address at 10905 Memorial Hermann Dr Ste 111, Pearland, TX, 77584. Phone: (281) 929-4727. Providers update this record themselves, so call before visiting.

How can I verify John Hadden Ownby, MD's license?

NPPES lists Texas license number K9142, 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.

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.