Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1013003201 Individual Practitioner Male Practitioner

Dr. Thomas J Williamson , MD

Internal Medicine • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Williamson, MD is a certified Internal Medicine practicing in Houston, TX. With approximately 29 years of clinical experience since graduating from Ohio State University College Of Medicine in 1997, Dr. Williamson delivers high-quality medical care to the local community at 560 MEYERLAND PLAZA MALL.

Dr. Williamson is affiliated with Kelsey-Seybold Medical Group, Pllc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

560 Meyerland Plaza Mall

Houston, TX 770961615

Telephone 7134423222
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Ohio State University College Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Houston, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
29 Yrs +7.8 yrs vs City Avg
City Avg: 21.2 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
1569 Specialists

Practicing in Houston, TX (9538 Statewide)

Telehealth Adoption Rate
20.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williamson (29 Years) 29 Yrs
Houston Specialty Average (21.2 Years) 21.2 Yrs

Medical Specialties & State Licenses

CMS Verified: 2021-06-23
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX L0701

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
143528103 (TX)

Hospital & Practice Group Affiliations

Kelsey-Seybold Medical Group, Pllc

560 Meyerland Plaza Mall, Houston, TX 770961615

Phone: 7134423222

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1023690427

Doctor of Medicine (M.D.)

NPI 1043306327

Doctor of Medicine (M.D.)

Kemi Sells , LCSW

Social Worker - Clinical

NPI 1043554074

Licensed Clinical Social Worker

Ronda Elsenbrook , RD, LD

Dietitian, Registered

NPI 1124206040

Registered Dietitian, Licensed Dietitian

NPI 1154324655

Doctor of Medicine (M.D.)

Maria Gilles , APRN-CNP, FNP-C

Nurse Practitioner - Family

NPI 1164224911

Advanced Practice Registered Nurse - Certified Nurse Practitioner, Family Nurse Practitioner (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 17, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location July 17, 2013

Registered at 560 MEYERLAND PLAZA MALL, HOUSTON, TX 770961615 (Tel: 7134423222)

📍
Updated Business Mailing Address July 17, 2013

Registered at 11511 SHADOW CREEK PARKWAY, PEARLAND, TX 775847298 (Tel: 7134423222)

👤
Provider Name / Credentials Updated July 17, 2013

Recorded as THOMAS WILLIAMSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 17, 2013

Internal Medicine (License #L0701 in TX)

🟢
Initial NPI Registration & Enumeration October 05, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1013003201
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 05, 2006
Last Update: June 23, 2021
Sole Proprietor: No

Mailing Address

11511 Shadow Creek Parkway

Pearland, TX 775847298

Phone: 7134420000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.