John Vierling, MD

Gastroenterology

20+ years in practiceNPI: 1043390388Licensed in TX

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Credentials & Recognition

Specialties

Gastroenterology

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Gastroenterology207RG0100X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

5.0 / 5.0

1 review

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#42

Top Gastroenterologists in Texas, 2026

Gastroenterology · Texas · 2026

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Frequently Asked Questions about Dr. John Vierling, MD

Where does Dr. John Vierling, MD practice?+
Dr. John Vierling, MD practices in Texas, TX. 6620 MAIN ST HOUSTON, TX 770302348.
What is Dr. John Vierling, MD's phone number?+
Dr. John Vierling, MD's practice phone is 713-798-2500. Office contact information is verified on the PBCMMG profile.
What does Dr. John Vierling, MD specialize in?+
Dr. John Vierling, MD's primary specialty is Gastroenterology.
Is Dr. John Vierling, MD board certified?+
Board certification status for Dr. John Vierling, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. John Vierling, MD been practicing?+
Dr. John Vierling, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. John Vierling, MD's NPI number?+
Dr. John Vierling, MD's National Provider Identifier (NPI) is 1043390388, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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