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

John Howard Frierson, MD

Individual provider Cardiovascular Disease Physician · NPI 1326021015

John Howard Frierson, MD is an Interventional Cardiology in San Antonio, Texas. Graduated from University of Texas Medical School at San Antonio in 1982, 44 years ago. Practices with Methodist Physician Practices PLLC, a 173-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
44
Trained at
University of Texas Medical School at San Antonio
Licensed in
TX
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 Brooklyn Ave Ste 120
San Antonio, TX 78212-4816
Phone: (210) 271-7266
Fax: (210) 226-8411
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence G3371 (TX)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence G3371 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence G3371 (TX)

Record details

NPI number1326021015
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 28, 2005
Last updated in NPPESMarch 29, 2022
Certification dateMarch 29, 2022

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1982 (44 years in practice)
Group practice Methodist Physician Practices Pllc — 173 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations13 on file with Medicare

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