Doctor profile · Federal record

Dr. Amy Tiu, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Lexington, KY

  • NPI 1841338035
  • Accepts Medicare
  • MIPS 94.8 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 Harrodsburg RD, Suite C305
Lexington, KY 405043751
(859) 278-8400
fax (859) 276-3700
Mailing address
3311 Beaumont Centre Cir
Lexington, KY 405131954

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
December 4, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Kentucky #38712 · North Carolina #200301301
Medicaid
KY #7100025590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841338035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
7
Medicare allowed
$13,720
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 35 29 $47
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 26 26 $105
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 25 25 $81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 16 $75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 15 15 $217
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $155
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $78

In context: peer comparison

Among 20 peers in Lexington Gastroenterology Physician, average services per provider: 80. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,519
Transactions
159
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 24 $740.74
Abbvie INC. 30 $614.61
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 21 $381.40
Qol Medical, LLC 10 $205.48
Pfizer INC. 11 $180.29
Phathom Pharmaceuticals, INC. 15 $170.28
Madrigal Pharmaceuticals 5 $166.81
Lilly USA, LLC 8 $162.35
Takeda Pharmaceuticals U.S.A., INC. 8 $155.73
Regeneron Healthcare Solutions, INC. 6 $109.36
La Jolla Pharmaceutical Company 1 $107.39
Ardelyx, INC. 6 $96.76
Genzyme Corporation 5 $94.28
Celgene Corporation 5 $92.26
Ironwood Pharmaceuticals, INC 4 $85.95

By nature of payment

Food and Beverage
$3,519

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
49
Total drug cost
$5,197
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 35 33 $2,339
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 16 16 $2,858

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Tiu's medical specialty?
Dr. Amy Tiu practices Gastroenterology Physician in Lexington, KY.
Where does Dr. Amy Tiu practice?
Dr. Amy Tiu practices at 1401 Harrodsburg RD, Lexington, KY 405043751. Office phone: 8592788400.
What is Dr. Amy Tiu's NPI?
Dr. Amy Tiu's National Provider Identifier (NPI) is 1841338035, issued by NPPES.
Does Dr. Amy Tiu accept Medicare assignment?
Yes. Dr. Amy Tiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Tiu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.