Dr. Lewis J. Thomas IV, MD
- Medicare services, 2024
- 154
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 292
- MIPS score, 2024
- 94
- Hospital affiliations
- 4
- Practice address
- 915 N Grand Blvd, Saint Louis, MO 63106
- Practice phone
- Call (913) 578-4409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA St Louis Health Care System
Saint Louis, Missouri
Find Dr. Thomas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Lewis J. Thomas IV is a urologist in Saint Louis, Missouri
Dr. Thomas practices at VA St Louis Health Care System in Saint Louis, Missouri.
Dr. Thomas' NPI, 1790043362, was assigned on May 2, 2012. Dr. Thomas graduated from University of Missouri, Columbia School of Medicine in 2012. Dr. Thomas holds Missouri license 2020025237.
- NPI
- 1790043362NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032355755
- NPI enumeration date
- May 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (913) 578-4409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lewis J. Thomas IV practices at VA St Louis Health Care System in Saint Louis, Missouri
Dr. Thomas' primary practice is VA St Louis Health Care System, at 915 N Grand Blvd, Saint Louis, MO 63106 in Saint Louis City. The practice phone is (913) 578-4409.
- VA St Louis Health Care System915 N Grand Blvd, Saint Louis, MO 63106 · Saint Louis CityPhone(913) 578-4409
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lewis J. Thomas IV is affiliated with 6 sites of care and 1 medical group
Dr. Thomas' primary practice is VA St Louis Health Care System in Saint Louis, Missouri. Dr. Thomas is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Thomas to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lewis J. Thomas IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA St Louis Health Care System | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lewis J. Thomas IV is one of 246 urologists in Missouri
Urology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Thomas is licensed in Missouri.
Specialties and state licenses
- Urology, MissouriPrimary
Urologists near Dr. Thomas
Counts of urologists 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. Lewis J. Thomas IV billed Medicare for 154 services in 2024
CMS data shows 154 Medicare services from Dr. Thomas across 5 procedure codes in 2024, for 132 Medicare patients. Medicare paid $11,946 for them.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1272024: 11212%
- Surgery
- 2023: 622024: 4232%
- Imaging
- 2023: 142024: 0100%
Where Dr. Thomas' Medicare services took place, 2024
- In an office13990%
- In a facility1510%
Dr. Thomas compared with the Missouri median for urologists, 2024
- Dr. Thomas
- Missouri median
- Medicare services
- 154vs 1,53490% below
- Medicare patients
- 132vs 50074% below
- Part D claims
- 180vs 79977% below
Medians across 252 urologists in Missouri 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other urologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lewis J. Thomas IV treated 132 Medicare patients in 2024, average age 74
CMS counts 132 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 73, with 22% women.
Dr. Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thomas' Medicare patients by sex, 2024
- Women3527%
- Men9773%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer55%
- Arthritis45%
- Chronic kidney disease40%
- Ischemic heart disease32%
- Diabetes31%
- Atrial fibrillation23%
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 73
Patient panel by sex, all payers
- Women22%
- Men77%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lewis J. Thomas IV wrote 292 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 292 Medicare Part D claims for 98 patients. 97% of them were for generic drugs. CMS names the drug for 180 of them, across 7 drugs with 11 or more claims each, at $1,681 in total drug cost. In 2023, CMS named 243 claims across 7 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic283 claims97%
- Brand-name and other9 claims3%
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
- Opioids11%31 of 292 claims
- Antibiotics16%46 of 292 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: 2432024: 18026%
Drugs named by CMS: 7 in 2024, 7 in 2023.
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. Lewis J. Thomas IV scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Thomas for performance year 2024, reported through an alternative payment model (APM). Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lewis J. Thomas IV received $1,770 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Thomas from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $731.
General payments to Dr. Thomas by program year, 2016 to 2025
Companies that paid Dr. Thomas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lewis J. Thomas IV graduated from University of Missouri, Columbia School of Medicine
Dr. Thomas graduated from University of Missouri, Columbia School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lewis J. Thomas IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lewis J. Thomas IV
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. Lewis J. Thomas IV's NPI number?
Dr. Lewis J. Thomas IV's NPI number is 1790043362. It was assigned on May 2, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Lewis J. Thomas IV?
Dr. Lewis J. Thomas IV is a urologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Lewis J. Thomas IV practice?
Dr. Thomas practices at 915 N Grand Blvd, Saint Louis, MO 63106. Dr. Thomas' primary practice is VA St Louis Health Care System in Saint Louis, Missouri. Dmand AI also links Dr. Thomas to 3 hospitals and 1 group practice or clinic.
What is Dr. Lewis J. Thomas IV's office phone number?
The practice phone on file for Dr. Thomas is (913) 578-4409.
What is Dr. Lewis J. Thomas IV's medical license number?
Dr. Thomas holds Missouri license 2020025237.
Which hospitals is Dr. Lewis J. Thomas IV affiliated with?
Dr. Thomas is affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Thomas to 3 more hospitals.
What medical group is Dr. Lewis J. Thomas IV part of?
Dr. Thomas is linked to WashU Medicine Psychiatry.
Does Dr. Lewis J. Thomas IV accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 154 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Lewis J. Thomas IV's MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Lewis J. Thomas IV see?
CMS counts 132 Medicare patients who saw Dr. Thomas in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Lewis J. Thomas IV bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99213), care management and other visits (99441) and surgery: urinary system (52000).
Where did Dr. Lewis J. Thomas IV go to medical school?
Dr. Thomas graduated from University of Missouri, Columbia School of Medicine in 2012.
What drugs does Dr. Lewis J. Thomas IV prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Oxybutynin Chloride ER.
Has Dr. Lewis J. Thomas IV received payments from drug or device companies?
CMS Open Payments shows $1,770 in general payments to Dr. Thomas from 14 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Lewis J. Thomas IV been practicing?
Dr. Thomas graduated from medical school in 2012, 14 years ago.
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