Doctor profile · Federal record

Dr. Katherine Tian, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · South Bend, IN

  • NPI 1144888017
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
211 N Eddy St
South Bend, IN 466173096
(574) 251-2100

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
June 22, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #01087789A · Illinois #125074042

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144888017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,486
Distinct HCPCS
10
Medicare allowed
$132,908
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 336 189 $117
36415 Insertion of needle into vein for collection of blood sample 303 201 $8
84443 Blood test, thyroid stimulating hormone (tsh) 219 184 $16
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 205 177 $8
80053 Blood test, comprehensive group of blood chemicals 204 183 $10
80061 Blood test, lipids (cholesterol and triglycerides) 178 167 $13
99215 Established patient office or other outpatient visit, 40-54 minutes 161 133 $163
83036 Hemoglobin a1c level 125 103 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 119 119 $120
82306 Vitamin d-3 level 117 111 $29

In context: peer comparison

Among 19 peers in this city , average services per provider: 131. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,864
Patients
751
Total drug cost
$26,037
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 301 122 $4,063
Levothyroxine Sodium Generic 209 84 $3,307
Lisinopril Generic 168 71 $1,216
Pantoprazole Sodium Generic 164 53 $2,323
Amlodipine Besylate Generic 147 62 $1,392
Simvastatin Generic 112 51 $1,120
Omeprazole Generic 103 47 $2,172
Metoprolol Tartrate Generic 97 16 $528
Metformin Hcl Generic 94 46 $908
Losartan Potassium Generic 92 46 $1,211

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Tian's medical specialty?
Dr. Katherine Tian practices Internal Medicine Physician in South Bend, IN.
Where does Dr. Katherine Tian practice?
Dr. Katherine Tian practices at 211 N Eddy St, South Bend, IN 466173096. Office phone: 5742512100.
What is Dr. Katherine Tian's NPI?
Dr. Katherine Tian's National Provider Identifier (NPI) is 1144888017, issued by NPPES.
Does Dr. Katherine Tian accept Medicare assignment?
Yes. Dr. Katherine Tian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Tian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, thyroid stimulating hormone (tsh) (HCPCS 84443). Source: CMS Medicare Physician & Other Practitioners file.