Internists in Texas
- Internists
- 9,411
- Linked to a hospital or group
- 7,998
- Hospitals with an internist
- 468
- Medical groups with an internist
- 1,598
- Cities
- 322
There are 9,411 internists in Texas. HealthTexas Provider Network (HTPN) has the most, 477, and Memorial Hermann Greater Heights Hospital has the most affiliated internists, 291. Houston is home to 1,571, and 31% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 9,411 Texas internists
Validated work emails and mobile numbers for Texas internists, found through healthcare waterfall enrichment, with a free Dmand AI account.
Texas internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Texas practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
Filter this list with a free account
Sort and filter all 9,411 Texas internists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 8,437 Texas internists
The list shows the 8,437 internists with a public profile. The other 974 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 8,290 of 9,411 Texas internists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
HealthTexas Provider Network (HTPN) has the most internists in Texas, with 477
Cogent HMG is second with 477, and Texas Health Physicians Group third with 413. Counts are internists with a Texas address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Memorial Hermann Greater Heights Hospital has the most affiliated internists in Texas, with 291
Baylor University Medical Center in Dallas is second with 274, and Houston Methodist Hospital third with 253. Texas internists are affiliated with 468 hospitals in all.
See every hospital and group for each Texas internist
Each public profile names one place an internist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Houston has the most internists in Texas, with 1,571
More Texas cities with internists
Internists practice in 322 Texas cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most Texas internists practice at a hospital: 6,345 of the 7,866 with a mapped site
4,449 also practice at a medical group site, and 1,352 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.
Texas internists by site of care
- Hospitals6,345
- Medical group practices4,449
- Home health agencies1,352
- Physician offices1,051
- Skilled nursing facilities696
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
31% of Texas internists finished medical school 30 or more years ago
2,149 of the 6,950 Texas internists with a graduation year on file. 1,124 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago1,124
- 10 to 19 years ago1,946
- 20 to 29 years ago1,731
- 30 to 39 years ago1,360
- 40 or more years ago789
Source: Dmand AI Professional Profile Data
Every Texas internist profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Texas internist directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Texas practice address.
FAQ
Frequently asked questions about internists in Texas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many internists are in Texas?
9,411 internists have an active NPI, a Texas practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 7,998 of them are linked to a hospital or medical group.
Which Texas medical groups have the most internists?
HealthTexas Provider Network (HTPN), with 477, followed by Cogent HMG with 477 and Texas Health Physicians Group with 413.
Which Texas hospitals have the most internists?
Memorial Hermann Greater Heights Hospital, with 291 affiliated internists, followed by Baylor University Medical Center with 274 and Houston Methodist Hospital with 253.
Which Texas cities have the most internists?
Houston, with 1,571, followed by Dallas (1,049) and Austin (686). Internists practice in 322 Texas cities in all.
How many Texas internists finished medical school 30 or more years ago?
2,149 of the 6,950 with a graduation year on file, or 31%. 1,124 graduated in the last 10 years.
What is the taxonomy code for internal medicine?
207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.
How can I contact internists in Texas?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for internists in Texas through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
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Find the right contacts among Texas internists
Search 9,411 Texas internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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