Thomas K. Kalmbach, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Merrillville, IN
Thomas K. Kalmbach, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Merrillville, Indiana, and NPI 1114011798, issued on Oct 3, 2006. Check the license (Indiana 01041482A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Thomas K. Kalmbach
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 01041482A IN
010-41482 IN
Self-reported in NPPES; status is on the state search - Practice location
- 8687 Connecticut, Merrillville, IN 46410
- Phone
- (219) 769-7800
- Enumerated
- Oct 3, 2006
- Record last updated
- Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (219) 755-0748
- Medicaid ID
- 100346780 IN
- Medicare enrollment
- Enrolled (PECOS I20091214000406); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 136 in Indiana → Look up another NPI →
Also registered at 8687 Connecticut
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victorio O'Yek, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1114012655
Verify Thomas K. Kalmbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01041482ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
25 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Lake-Porter Cardiovascular PCValparaiso, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas K. Kalmbach among 136 thoracic surgery (cardiothoracic vascular surgery) physician records in Indiana
Thomas K. Kalmbach, MD is one of 136 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1982 · median 1995 among the 91 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Indiana
There are 136 thoracic surgery (cardiothoracic vascular surgery) physician records in Indiana.
All 136 in Indiana → Every provider in Merrillville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Kristi Dresbaugh, CSFAMerrillville, IN 464101083582092
- Viroj Juisai, M.D.Merrillville, IN 464101114037371
- Victorio O'Yek, M.D.Merrillville, IN 464101114012655
- Benjamin Tang, M.D.Merrillville, IN 464101225112196
- Pakorn Tara, M.D.Merrillville, IN 464101881797397
- Kosin Thupvong, M.D.Merrillville, IN 464101235249558
- Joseph Venditti, M.D.Merrillville, IN 464101659466639
- Peter Rossi, MDValparaiso, IN 463831750373759
Common questions
What is Thomas K. Kalmbach, MD's NPI number?
Thomas K. Kalmbach, MD's National Provider Identifier (NPI) is 1114011798, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas K. Kalmbach, MD located?
The NPPES record lists a practice address at 8687 Connecticut, Merrillville, IN, 46410. Phone: (219) 769-7800. Providers update this record themselves, so call before visiting.
How can I verify Thomas K. Kalmbach, MD's license?
NPPES lists Indiana license number 01041482A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas K. Kalmbach, MD prescribe under Medicare Part D?
In 2024, Thomas K. Kalmbach, MD had 25 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.