Dr. Thomas Mannion Mcgowan , MD
Internal Medicine • Houston, TX
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Thomas Mcgowan has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Thomas Mcgowan, MD was a registered Internal Medicine practicing in Houston, TX. Throughout an active medical career spanning 20 years, Dr. Mcgowan provided care at the practice location at 902 FROSTWOOD DR until profile deactivation on 2025-07-17.
Practice Location & Contact Primary Location
902 Frostwood Dr
Ste 261
Houston, TX 770242420
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Houston, TX
Practicing in Houston, TX (9538 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine - Rheumatology
Doctor of Medicine (M.D.)
Pain Medicine - Interventional Pain Medicine
Internal Medicine - Rheumatology
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Allergy & Immunology
Doctor of Medicine (M.D.)
Dentist - Endodontics
Doctor of Dental Surgery
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on July 17, 2025
NPI status registered as active in NPPES database
Registered at 902 FROSTWOOD DR, STE 261, HOUSTON, TX 770242420 (Tel: 7139746643)
Registered at 902 FROSTWOOD DR, STE 261, HOUSTON, TX 770242420 (Tel: 7139746643)
Recorded as THOMAS MCGOWAN, MD
Internal Medicine (License #F7841 in TX)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
902 Frostwood Dr, Ste 261
Houston, TX 770242420
Phone: 7139746643
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