Thaddeus Lis
- Medicare services, 2024
- 145
- Medicare patients, 2024
- 267
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Industry payments
- $1,011
- Practice address
- 18300 St John Drive, Nassau Bay, TX 77058
- Practice phone
- Call (281) 333-5503
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Thaddeus Lis' 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.
Thaddeus Lis is an anesthesiologist in Houston, Texas
Thaddeus Lis practices at Houston Methodist Clear Lake Hospital in Nassau Bay, Texas, part of Houston Methodist.
Thaddeus Lis' NPI, 1669459384, was assigned on December 22, 2005. Thaddeus Lis graduated from Medical College of Wisconsin in 1988. Thaddeus Lis holds Texas license K0896.
- NPI
- 1669459384NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759360761
- NPI enumeration date
- December 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 333-5503
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thaddeus Lis practices at Houston Methodist Clear Lake Hospital in Nassau Bay, Texas
Thaddeus Lis' primary practice is Houston Methodist Clear Lake Hospital, at 18300 St John Drive, Nassau Bay, TX 77058 in Harris County. The practice phone is (281) 333-5503.
- Houston Methodist Clear Lake Hospital18300 St John Drive, Nassau Bay, TX 77058 · Harris CountyPhone(281) 333-5503
Source: Dmand AI Affiliation Data
Thaddeus Lis is affiliated with 3 sites of care and 1 medical group
Thaddeus Lis' primary practice is Houston Methodist Clear Lake Hospital in Nassau Bay, Texas, part of Houston Methodist. The medical group on file is US Anesthesia Partners. Dmand AI also links Thaddeus Lis to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Thaddeus Lis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thaddeus Lis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Methodist Clear Lake Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Thaddeus Lis is one of 4,073 anesthesiologists in Texas
Anesthesiology is Thaddeus Lis' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Thaddeus Lis is licensed in Texas.
Specialties and state licenses
- Anesthesiology, TexasPrimary
Anesthesiologists near Thaddeus Lis
Counts of anesthesiologists 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
Thaddeus Lis billed Medicare for 145 services in 2024
CMS data shows 145 Medicare services from Thaddeus Lis across 7 procedure codes in 2024, for 267 Medicare patients. Medicare paid $11,960 for them. Every service was in a facility, such as a hospital, rather than an office.
Thaddeus Lis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1632024: 13418%
- Surgery
- 2023: 02024: 11
Thaddeus Lis compared with the Texas median for anesthesiologists, 2024
- Thaddeus Lis
- Texas median
- Medicare services
- 145vs 712.0 times
- Medicare patients
- 267vs 1322.0 times
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Thaddeus Lis' 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 Thaddeus Lis and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Thaddeus Lis treated 267 Medicare patients in 2024, average age 73
CMS counts 267 Medicare patients who saw Thaddeus Lis in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Thaddeus Lis' median patient age at 63, with 62% women.
Thaddeus Lis' Medicare patients by age, 2024
Thaddeus Lis' Medicare patients by sex, 2024
- Women14052%
- Men12748%
Chronic conditions among Thaddeus Lis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease43%
- Chronic kidney disease37%
- Diabetes34%
- Anxiety32%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Thaddeus Lis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thaddeus Lis scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Thaddeus Lis for performance year 2024, reported as part of a group. Thaddeus Lis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Thaddeus Lis' MIPS scores, performance year 2024
- 89of 100Final score
- 91.3of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
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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Thaddeus Lis received $1,011 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Thaddeus Lis from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Cumberland Pharmaceuticals, Inc. paid the most, $321.
General payments to Thaddeus Lis by program year, 2016 to 2025
General payments to Thaddeus Lis by kind, 2016 to 2025
- Food and beverage$86185%
- Speaker and faculty fees$15015%
Companies that paid Thaddeus Lis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thaddeus Lis graduated from Medical College of Wisconsin
Thaddeus Lis graduated from Medical College of Wisconsin in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thaddeus Lis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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 Thaddeus Lis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thaddeus Lis' NPI number?
Thaddeus Lis' NPI number is 1669459384. It was assigned on December 22, 2005, and it is active in the NPI Registry.
What does Thaddeus Lis specialize in?
Thaddeus Lis is an anesthesiologist in Houston, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Thaddeus Lis practice?
Thaddeus Lis practices at 18300 St John Drive, Nassau Bay, TX 77058. Thaddeus Lis' primary practice is Houston Methodist Clear Lake Hospital in Nassau Bay, Texas, part of Houston Methodist. Dmand AI also links Thaddeus Lis to 1 physician office and 1 group practice or clinic.
What is Thaddeus Lis' office phone number?
The practice phone on file for Thaddeus Lis is (281) 333-5503.
What is Thaddeus Lis' medical license number?
Thaddeus Lis holds Texas license K0896.
Which hospitals is Thaddeus Lis affiliated with?
Thaddeus Lis practices at Houston Methodist Clear Lake Hospital in Nassau Bay, Texas.
What medical group is Thaddeus Lis part of?
Thaddeus Lis is linked to US Anesthesia Partners.
Does Thaddeus Lis accept Medicare?
Yes. CMS data shows Thaddeus Lis billed Medicare for 145 services in 2024, and Thaddeus Lis accepts Medicare assignment.
What is Thaddeus Lis' MIPS score?
Thaddeus Lis' MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Thaddeus Lis see?
CMS counts 267 Medicare patients who saw Thaddeus Lis in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Thaddeus Lis bill to Medicare?
In 2024, Thaddeus Lis' most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00813).
Where did Thaddeus Lis go to medical school?
Thaddeus Lis graduated from Medical College of Wisconsin in 1988.
Has Thaddeus Lis received payments from drug or device companies?
CMS Open Payments shows $1,011 in general payments to Thaddeus Lis from 8 companies from 2016 to 2025. The largest total came from Cumberland Pharmaceuticals, Inc.
How long has Thaddeus Lis been practicing?
Thaddeus Lis graduated from medical school in 1988, 38 years ago.
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