Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Hadden Ownby, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1558343988

Dr. John Hadden Ownby, MD is a Neurology in Pearland, Texas. Graduated from University of Tennessee, Hsc, College of Medicine in 1986, 40 years ago. Practices with Mhs Physicians of Texas, a 113-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
40
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
TX
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

10905 Memorial Hermann Dr Ste 111
Pearland, TX 77584-3490
Phone: (281) 929-4727
Fax: (281) 929-4728
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence K9142 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence K9142 (TX)

Record details

NPI number1558343988
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESSeptember 19, 2024
Certification dateSeptember 19, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Mhs Physicians Of Texas — 113 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations14 on file with Medicare