Internists are doctors for adults. They manage everyday health and long-term conditions, and coordinate care with specialists. Below are 47 internal medicine doctors practising in Texas, across Houston, Dallas, Austin, San Antonio, Fort Worth and El Paso, with what to bring and ask so your visit counts.
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Listings come from the CMS NPPES NPI Registry, the public federal record of licensed providers, checked October 2026. Being listed is not a recommendation or an endorsement, and we do not receive anything from these doctors. Call the office to confirm insurance, availability and that they are accepting new patients. In an emergency, call 911.
When to see an internal medicine doctor
Common reasons
Yearly check-ups and preventive care
High blood pressure and cholesterol
Blood sugar concerns
Fatigue, aches and symptoms that are hard to pin down
Several conditions at once
Signs it may be time
You need a regular doctor who looks at the whole picture
A symptom has lasted more than a couple of weeks
Your labs came back outside the reference range
You were told to "follow up with your primary care doctor"
How to get the most from your internal medicine doctor visit
1
Before: what to bring
A list of everything you take, including supplements, with how often
Your insurance card and photo ID
Recent lab results or imaging reports, if another clinician ordered them
Notes on any symptom: when it started, how often, how strong
2
During: questions to ask
What do you think is going on, and what else could it be?
Which tests do I need, and what will they change?
What should I watch for before the next visit?
When should I call you instead of waiting?
3
After: what to keep track of
Symptoms in your own words, with the time of day
Sleep, energy and stress
Blood pressure or weight, if your doctor asked you to track them
After your visit
Keep the plan going between appointments
Most of internal medicine happens between appointments: a routine to keep, a symptom to watch, labs to repeat. Writing down how you feel each day turns a vague "it has been fine, I think" into a clear picture at your next check-up. Emerge Care, free to download on iPhone, is built for exactly that: tell it how you feel in your own words, get plain answers with the source behind every fact, and walk into your next internal medicine doctor appointment in Texas with a one-page summary and your questions ready.
Log symptoms and side effects by talking
Answers that name their source
One-page visit summary PDF
Health records stay on your iPhone
Emerge Care never diagnoses or replaces your doctor.
Questions
How do I find an internal medicine doctor in Texas?
This page lists 47 internal medicine doctors practising in Texas, including Houston, Dallas, Austin, San Antonio, Fort Worth and El Paso, from the federal NPI Registry. Call the office to confirm they take your insurance and are accepting new patients.
Do I need a referral to see an internal medicine doctor in Texas?
It depends on your insurance plan, not the state. HMO plans usually need a referral from your primary care doctor; many PPO plans do not. Check with your plan before booking.
What should I bring to my first internal medicine doctor appointment?
A list of everything you take, including supplements, with how often; Your insurance card and photo ID; Recent lab results or imaging reports, if another clinician ordered them; Notes on any symptom: when it started, how often, how strong.
What is the difference between internal medicine and family medicine?
Internists care for adults only and train deeply in adult conditions. Family medicine doctors care for all ages, from children to older adults. Both can be your primary care doctor.
How often should I see an internist?
Many adults have a yearly check-up, and more often when a condition is being managed. Your doctor will suggest a schedule that fits your health.
