Nanlong Liu, M.D.
Gastroenterology Physician · Louisville, KY
Nanlong Liu, M.D. is a gastroenterology physician with a practice address in Louisville, Kentucky, and NPI 1619395977, issued on Apr 3, 2014. Check the license (Kentucky 50046, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Nanlong Liu
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 50046 KY
ME143649 FL
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Chestnut St Unit 310, Louisville, KY 40202
- Phone
- (502) 588-4600
- Enumerated
- Apr 3, 2014
- Record last updated
- Oct 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 7100361240 KY
- Medicare enrollment
- Enrolled (PECOS I20151123002669); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 226 in Kentucky → Look up another NPI →
Also registered at 401 E Chestnut St Unit 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Abell, MDGastroenterology Physician1174567382
- Lachelle Achterberg, APRNFamily Nurse Practitioner1427396290
- Sergei Airapetov, DOCardiovascular Disease Physician1467931501
- David Armstrong, D.O.Rheumatology Physician1487852349
- Esther Bak, MDInternal Medicine Physician1881259661
- Dawn BalcomFamily Nurse Practitioner1811366404
Verify Nanlong Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 50046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average gastroenterology physician in 2024
279 Medicare Part D claims for 169 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Peg 3350-Electrolyte79 claims
- Pantoprazole Sodium37 claims
- Creon17 claims
- Omeprazole14 claims
- Xifaxan14 claims
- Ciprofloxacin Hcl13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $924.42
11 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Baptist Health Medical Group IncLouisville, KY
- University OF Louisville Physicians IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nanlong Liu among 226 gastroenterology physician records in Kentucky
Nanlong Liu, M.D. is one of 226 gastroenterology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2000 among the 181 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Kentucky
There are 226 gastroenterology physician records in Kentucky.
All 226 in Kentucky → Every provider in Louisville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Thomas Abell, MDLouisville, KY 402021174567382
- Ashutosh Barve, M.D., PH.D.Louisville, KY 402021194867747
- Matthew Cave, M.D.Louisville, KY 402021629117312
- Gerald Dryden, MDLouisville, KY 402021619969011
- Raja Kaikaus, MDLouisville, KY 402021427154913
- Kristine Krueger, MDLouisville, KY 402021891788824
- Sarah Landes, MDLouisville, KY 402021427290691
- Luis Marsano, MDLouisville, KY 402021700879731
Common questions
What is Nanlong Liu, M.D.'s NPI number?
Nanlong Liu, M.D.'s National Provider Identifier (NPI) is 1619395977, issued on Apr 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nanlong Liu, M.D. located?
The NPPES record lists a practice address at 401 E Chestnut St Unit 310, Louisville, KY, 40202. Phone: (502) 588-4600. Providers update this record themselves, so call before visiting.
How can I verify Nanlong Liu, M.D.'s license?
NPPES lists Kentucky license number 50046, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nanlong Liu, M.D. prescribe under Medicare Part D?
In 2024, Nanlong Liu, M.D. had 279 Medicare Part D claims for 169 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Nanlong Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.