Dr. Eric J. Thomas, MD

  • Houston, TX
  • Internist
NPI1629096839PAC ID4880720994
Medicare services, 2024
148
Medicare patients, 2024
96
Part D claims, 2024
3,404
Publications
203
Clinical trials
2
Practice address
6411 Fannin, Houston, TX 77030
Practice phone
Call (713) 704-3700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Hermann-Texas Medical Center

Hospital · Houston, Texas

See all 4 affiliations

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Dr. Eric J. Thomas is an internist in Houston, Texas

Dr. Thomas practices at Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System.

Dr. Thomas' NPI, 1629096839, was assigned on July 17, 2006. Dr. Thomas graduated from UT Southwestern Medical Center in 1989. Dr. Thomas holds Texas license H8458.

NPI and contact details
Medicare PAC ID
4880720994
NPI enumeration date
July 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(713) 704-3700
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Eric J. Thomas practices at Memorial Hermann-Texas Medical Center in Houston, Texas

Dr. Thomas' primary practice is Memorial Hermann-Texas Medical Center, at 6411 Fannin, Houston, TX 77030 in Harris County. The practice phone is (713) 704-3700.

Source: Dmand AI Affiliation Data

Dr. Eric J. Thomas is affiliated with 3 sites of care and 1 medical group

Dr. Thomas' primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. Dr. Thomas is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is UT Physicians. Dmand AI also links Dr. Thomas to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Thomas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Eric J. Thomas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Hermann-Texas Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric J. Thomas is one of 8,437 internists in Texas

Internal medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Thomas' licenses on file in 2 states: Texas and Massachusetts.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense H8458 · 1990 to 2026 · taxonomy 207R00000X
  • Massachusetts license1992 to 1998

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, aneurysm, arthritis, cardiomyopathy, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Thomas treats.

Internists near Dr. Thomas

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Eric J. Thomas billed Medicare for 148 services in 2024

CMS data shows 148 Medicare services from Dr. Thomas across 2 procedure codes in 2024, all of them office visits, for 96 Medicare patients. Medicare paid $12,837 for them. Every service was in an office.

Medicare services, 2024148
Medicare patients96
Paid by Medicare$12,837
Procedure codes2

Dr. Thomas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1412024: 1485%
Lab and pathology
2023: 192024: 0100%

Dr. Thomas compared with the Texas median for internists, 2024

  • Dr. Thomas
  • Texas median
Medicare services
148vs 53973% below
Medicare patients
96vs 19049% below
Part D claims
2,728vs 2899.4 times

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Thomas' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Thomas

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Eric J. Thomas treated 96 Medicare patients in 2024, average age 74

CMS counts 96 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 65, with 46% women.

Medicare patients, 202496
Average age74
Average risk score1.05

Dr. Thomas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Thomas' Medicare patients by sex, 2024

  • Women4648%
  • Men5052%

Chronic conditions among Dr. Thomas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis41%
  4. Ischemic heart disease24%
  5. Diabetes19%
  6. Chronic kidney disease18%
  7. Mood disorders18%
  8. Anxiety16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Thomas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Eric J. Thomas wrote 3,404 Medicare Part D claims in 2024

In 2024, Dr. Thomas wrote 3,404 Medicare Part D claims for 283 patients. 84% of them were for generic drugs. CMS names the drug for 2,728 of them, across 70 drugs with 11 or more claims each, at $209,681 in total drug cost. In 2023, CMS named 2,857 claims across 70 drugs.

Part D claims, 20243,404
Drugs named by CMS70
Total drug cost$209,681
Part D patients283

Dr. Thomas' Part D claims by kind of drug, 2024

  • Generic2,875 claims84%
  • Brand-name475 claims14%
  • Other54 claims2%

Dr. Thomas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024

  • Opioids2%72 of 3,404 claims
  • Antibiotics1%30 of 3,404 claims
  • Antipsychotics, patients 65 and over0%11 of 3,404 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,8572024: 2,7285%

Drugs named by CMS: 70 in 2024, 70 in 2023.

See all prescribing by Dr. Thomas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Eric J. Thomas offers telehealth to Medicare patients

Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thomas as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Eric J. Thomas has 203 publications on record

Dmand AI links 203 papers to Dr. Thomas, published from 2005 to 2025. 2022 was the busiest year, with 8. The most frequent topics are Medical Errors, Patient Safety and Safety Management. Dr. Thomas has published most often in BMJ Qual Saf. Dr. Thomas' most frequent co-authors are Hardeep Singh, MD, Sigall K. Bell, MD and Jochen Profit, MD.

Papers203
Years published2005 to 2025

Dr. Thomas' papers by year, 2016 to 2025

Topics Dr. Thomas writes about most

  • Medical Errors
  • Patient Safety
  • Safety Management
  • Organizational Culture
  • Attitude of Health Personnel
  • Patient Care Team
  • Diagnostic Errors
  • Communication

Dr. Thomas' most frequent co-authors

Recent publications by Dr. Thomas

See all 203 publications and co-authors

See who Dr. Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Eric J. Thomas has worked on 2 clinical trials

Dmand AI links Dr. Thomas to 2 clinical trials. Conditions studied include Anemia and Hematologic Diseases. The University of Texas Health Science Center, Houston sponsors the most, 2.

Conditions in Dr. Thomas' trials

  • Anemia
  • Hematologic Diseases

Recent clinical trials with Dr. Thomas

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Eric J. Thomas has 11 awards and honors on record

Dmand AI lists 11 awards for Dr. Thomas, most recently Recognized as a "Highly Commended" Book in 2010.

Awards and honors for Dr. Thomas

  1. 2010
    • Recognized as a "Highly Commended" Book
  2. 2008
    • Chancellor's Health Fellow for Patient Safety for UT System
    • Dean's Excellence in Teaching Award
    • Fellow
  3. 2007
    • John M. Eisenberg Patient Safety and Quality Award
    • John M. Eisenberg Patient Safety and Quality Award for Research
See all 11 awards

Source: Dmand AI Professional Profile Data

Dr. Eric J. Thomas graduated from UT Southwestern Medical Center

Dr. Thomas graduated from UT Southwestern Medical Center in 1989. Dr. Thomas is a member of SHM.

  1. Medical schoolUT Southwestern Medical Center
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Eric J. Thomas accepts plans from 22 insurance carriers

Dr. Thomas is in network with 22 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Plan types Dr. Thomas accepts, by number of carriers

  1. PPO14
  2. HMO13
  3. Medicare10
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Eric J. Thomas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Eric J. Thomas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Eric J. Thomas' NPI number?

Dr. Eric J. Thomas' NPI number is 1629096839. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric J. Thomas?

Dr. Eric J. Thomas is an internist in Houston, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Eric J. Thomas practice?

Dr. Thomas practices at 6411 Fannin, Houston, TX 77030. Dr. Thomas' primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. Dmand AI also links Dr. Thomas to 1 group practice or clinic.

What is Dr. Eric J. Thomas' office phone number?

The practice phone on file for Dr. Thomas is (713) 704-3700.

What is Dr. Eric J. Thomas' medical license number?

Dr. Thomas holds Texas license H8458, one of the licenses on file in 2 states.

Which states has Dr. Eric J. Thomas been licensed in?

Dmand AI has state licenses on file for Dr. Thomas in Texas (1990 to 2026) and Massachusetts (1992 to 1998).

Which hospitals is Dr. Eric J. Thomas affiliated with?

Dr. Thomas practices at Memorial Hermann-Texas Medical Center in Houston, Texas. Dr. Thomas is also affiliated with Memorial Hermann Greater Heights Hospital.

What medical group is Dr. Eric J. Thomas part of?

Dr. Thomas is linked to UT Physicians.

Does Dr. Eric J. Thomas accept Medicare?

Yes. CMS data shows Dr. Thomas billed Medicare for 148 services in 2024, and Dr. Thomas accepts Medicare assignment.

Does Dr. Eric J. Thomas offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Thomas as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Eric J. Thomas see?

CMS counts 96 Medicare patients who saw Dr. Thomas in 2024, with an average age of 74.

Is Dr. Eric J. Thomas board certified?

Yes. Dr. Thomas is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Eric J. Thomas bill to Medicare?

In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Eric J. Thomas go to medical school?

Dr. Thomas graduated from UT Southwestern Medical Center in 1989.

What drugs does Dr. Eric J. Thomas prescribe most?

In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

How long has Dr. Eric J. Thomas been practicing?

Dr. Thomas graduated from medical school in 1989, 37 years ago.

Does Dr. Eric J. Thomas do research?

Dmand AI links 203 publications to Dr. Thomas, published from 2005 to 2025. Dr. Thomas has worked on 2 clinical trials.

Who does Dr. Eric J. Thomas publish with?

Dr. Thomas' most frequent co-authors are Hardeep Singh, MD (16 shared papers), Sigall K. Bell, MD (13 shared papers) and Jochen Profit, MD (13 shared papers).

What insurance does Dr. Eric J. Thomas accept?

Dr. Thomas is in network with 22 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

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