Katherine Tian, MD
Internal Medicine Physician · South Bend, IN
Katherine Tian, MD is an internal medicine physician with a practice address in South Bend, Indiana, and NPI 1144888017, issued on Jun 5, 2019. Check the license (Indiana 01087789A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Katherine Tian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01087789A IN
125074042 IL
Self-reported in NPPES; status is on the state search - Practice location
- 211 N Eddy St, South Bend, IN 46617
- Phone
- (574) 251-2100
- Enumerated
- Jun 5, 2019
- Record last updated
- Jun 22, 2022
- Medicare enrollment
- Enrolled (PECOS I20220922001696); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 211 N Eddy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Polya Baghelai, MDDiagnostic Radiology Physician1912942061
Verify Katherine Tian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01087789ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,273 Medicare Part D claims for 537 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 41 claims were for opioids.
Most prescribed
- Atorvastatin Calcium486 claims
- Levothyroxine Sodium384 claims
- Lisinopril326 claims
- Amlodipine Besylate291 claims
- Pantoprazole Sodium212 claims
- Losartan Potassium205 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
- The South Bend Clinic LLCSouth Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Tian among 2,109 internal medicine physician records in Indiana
Katherine Tian, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 83% of them.
- NPI issued2019 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2005 among the 1,448 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in South Bend
They are 54 of the 3,178 NPPES records with a practice address in South Bend, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in South Bend → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Anderson, MDSouth Bend, IN 466171578554648
- Thomas Barbour, MDSouth Bend, IN 466171093704702
- Steven Crowell, MDSouth Bend, IN 466171003806829
- Ebonee Davis, MDSouth Bend, IN 466171295725646
- Howard Engel, M.D.South Bend, IN 466171972552636
- Gail English, MDSouth Bend, IN 466171356331151
- Wendell Garcia-Ortiz, MDSouth Bend, IN 466171972593630
- Susan Hart-Cavallo, MDSouth Bend, IN 466171649261710
Common questions
What is Katherine Tian, MD's NPI number?
Katherine Tian, MD's National Provider Identifier (NPI) is 1144888017, issued on Jun 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Tian, MD located?
The NPPES record lists a practice address at 211 N Eddy St, South Bend, IN, 46617. Phone: (574) 251-2100. Providers update this record themselves, so call before visiting.
How can I verify Katherine Tian, MD's license?
NPPES lists Indiana license number 01087789A, 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 Katherine Tian, MD prescribe under Medicare Part D?
In 2024, Katherine Tian, MD had 7,273 Medicare Part D claims for 537 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.