Dr. Thomas M. Lang, MD
- Medicare services, 2022
- 192
- Part D claims, 2024
- 20
- Industry payments
- $227
- Medical groups
- 3
- State licenses
- 5
- Practice address
- 530 Park E Ave, Princeton, IL 61356
- Practice phone
- Call (276) 439-1840
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Lang's 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. Thomas M. Lang is an internist in Princeton, Illinois
Dr. Lang practices with Three Rivers Hospital, a medical group.
Dr. Lang's NPI, 1114995354, was assigned on March 14, 2006. Dr. Lang graduated from Saint Louis University School of Medicine in 1980. Dr. Lang holds Virginia license 0101250560.
- NPI
- 1114995354NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Practice phone
- (276) 439-1840
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Thomas M. Lang's practice address is in Princeton, Illinois
Dr. Lang's practice address in the NPI Registry is 530 Park E Ave, Princeton, IL 61356, in Bureau County. The practice phone is (276) 439-1840.
- NPI Registry address530 Park E Ave, Princeton, IL 61356 · Bureau CountyPhone(276) 439-1840
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas M. Lang is affiliated with 3 medical groups
Dr. Lang is part of Three Rivers Hospital, a medical group in Brewster, Washington. The medical group on file is Willapa Harbor Hospital. Dmand AI also links Dr. Lang to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas M. Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Three Rivers Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Three Rivers Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas M. Lang is one of 5,652 internists in Illinois
Internal medicine is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Lang's licenses on file in 5 states: Virginia, Illinois, Ohio, Tennessee and Washington.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Emergency medicine, Illinois
- Ohio license
- Tennessee license
- Washington license
Internists near Dr. Lang
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. Thomas M. Lang billed Medicare for 192 services in 2022
CMS data shows 192 Medicare services from Dr. Lang across 4 procedure codes in 2022. Medicare paid $18,156 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lang's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 142022: 1921271%
Dr. Lang compared with the Illinois median for internists, 2022
- Dr. Lang
- Illinois median
- Medicare services
- 192vs 56666% below
- Part D claims
- 17vs 28494% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Lang's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lang and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas M. Lang's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 9, with 0% women.
Dr. Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Thomas M. Lang wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 20 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $84 in total drug cost. In 2019, CMS named 38 claims across 3 drugs.
Dr. Lang's Part D claims by kind of drug, 2024
- Generic18 claims90%
- Brand-name and other2 claims10%
Dr. Lang's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 382020: 1755%
Drugs named by CMS: 1 in 2020, 3 in 2019.
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
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Dr. Thomas M. Lang received $227 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Lang from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $227.
General payments to Dr. Lang by program year, 2024 to 2025
Companies that paid Dr. Lang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas M. Lang graduated from Saint Louis University School of Medicine
Dr. Lang graduated from Saint Louis University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas M. Lang'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 | Dmand 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 Data |
| 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) |
| 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. Thomas M. Lang
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. Thomas M. Lang's NPI number?
Dr. Thomas M. Lang's NPI number is 1114995354. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas M. Lang?
Dr. Thomas M. Lang is an internist in Princeton, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas M. Lang practice?
Dr. Lang practices at 530 Park E Ave, Princeton, IL 61356. Dr. Lang's primary practice is Three Rivers Hospital, a medical group. Dmand AI also links Dr. Lang to 1 medical group.
What is Dr. Thomas M. Lang's office phone number?
The practice phone on file for Dr. Lang is (276) 439-1840.
What is Dr. Thomas M. Lang's medical license number?
Dr. Lang holds Virginia license 0101250560, one of the licenses on file in 5 states.
Which states has Dr. Thomas M. Lang been licensed in?
Dmand AI has state licenses on file for Dr. Lang in Virginia, Illinois, Ohio, Tennessee and Washington.
What medical group is Dr. Thomas M. Lang part of?
Dr. Lang is part of Three Rivers Hospital in Brewster, Washington. Dr. Lang is also linked to Willapa Harbor Hospital. Dmand AI links Dr. Lang to 3 medical groups in all.
Does Dr. Thomas M. Lang accept Medicare?
Yes. CMS data shows Dr. Lang billed Medicare for 192 services in 2022.
What services does Dr. Thomas M. Lang bill to Medicare?
In 2022, Dr. Lang's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Where did Dr. Thomas M. Lang go to medical school?
Dr. Lang graduated from Saint Louis University School of Medicine in 1980.
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What drugs does Dr. Thomas M. Lang prescribe most?
In 2020 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim.
Has Dr. Thomas M. Lang received payments from drug or device companies?
CMS Open Payments shows $227 in general payments to Dr. Lang from 1 company from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Thomas M. Lang been practicing?
Dr. Lang graduated from medical school in 1980, 46 years ago.
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