Esther Knapp, M.D.
Pediatric Hematology & Oncology Physician · Louisville, KY
Esther Knapp, M.D. is a pediatric hematology & oncology physician with a practice address in Louisville, Kentucky, and NPI 1275785479, issued on Oct 21, 2008. Check the license (Kentucky 49652, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Esther Knapp
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 49652 KY
Self-reported in NPPES; status is on the state search - Practice location
- 210 E Gray St, Louisville, KY 40202
- Phone
- (502) 588-3600
- Enumerated
- Oct 21, 2008
- Entity
- Type 1 · individual
Also registered at 210 E Gray St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Albright, MDOrthopaedic Surgery of the Spine Physician1508486721
- Karen Avanesov, D.OOrthopaedic Surgery of the Spine Physician1629014675
- Mustafa Barbour, MDPediatric Hematology & Oncology Physician1457489288
- Nicholas BeckhamPhysical Therapist1699299669
- Salvatore Bertolone, M.D.Pediatric Hematology & Oncology Physician1770588519
- Julianne Braun, APRN, FNP-BCFamily Nurse Practitioner1255747770
Verify Esther Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 49652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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: $24.03
1 payment; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 1,215 providers of this specialty with any payment received $7,404.07 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 one group practice
- Norton Childrens Medical Group LLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Kentucky
There are 20 pediatric hematology & oncology physician records in Kentucky.
Other pediatric hematology & oncology physician records in Kentucky
- Mustafa Barbour, MDLouisville, KY1457489288
- Sherry Bayliff, MDLexington, KY1710903992
- Salvatore Bertolone, M.D.Louisville, KY1770588519
- John D'Orazio, MD, PHDLexington, KY1467472134
- Michael Ferguson, MDLouisville, KY1376701102
- John Geil, MDLexington, KY1104843291
- Amanda Harrington, MDLexington, KY1053724989
- Judith Kabat, MDLouisville, KY1992236418
- Kristin Lieb, MDLouisville, KY1669892311
- Erica MamauagLouisville, KY1134652035
Common questions
What is Esther Knapp, M.D.'s NPI number?
Esther Knapp, M.D.'s National Provider Identifier (NPI) is 1275785479, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Esther Knapp, M.D. located?
The NPPES record lists a practice address at 210 E Gray St, Louisville, KY, 40202. Phone: (502) 588-3600. Providers update this record themselves, so call before visiting.
How can I verify Esther Knapp, M.D.'s license?
NPPES lists Kentucky license number 49652, 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.
What is Esther Knapp, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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), loaded Aug 27, 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) 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 27, 2026.