Esther Bak, MD
Student in an Organized Health Care Education/Training Program · Louisville, KY
Esther Bak, MD is a student in an organized health care education/training program with a practice address in Louisville, Kentucky, and NPI 1881259661, issued on May 7, 2019. Check the license (Kentucky 59173, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Esther Bak
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- 59173 KY
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Chestnut St Unit 310, Louisville, KY 40202
- Phone
- (502) 588-4720
- Enumerated
- May 7, 2019
- Entity
- Type 1 · individual
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, DOStudent in an Organized Health Care Education/Training Program1467931501
- David Armstrong, D.O.Internal Medicine Physician1487852349
- Dawn BalcomFamily Nurse Practitioner1811366404
- Ross BashamStudent in an Organized Health Care Education/Training Program1811631435
Verify Esther Bak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 59173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
79% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
101 Medicare Part D claims for 42 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 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.
2,129 student in an organized health care education/training program records list a Louisville practice address
They are 2,129 of the 21,891 NPPES records with a Louisville practice address, and 4,522 student in an organized health care education/training program records in Kentucky.
All 2,129 in Louisville → All 4,522 in Kentucky → Every provider in Louisville →
Other student in an organized health care education/training program records in Kentucky
- Anas A.r Altamimi, MDLouisville, KY1184036956
- Bilal Abaid, M.D.Louisville, KY1144960444
- Miguel AbascalLexington, KY1043167182
- Eric Abbenhaus, MDLexington, KY1689202046
- Ahmed Abdelfattah, MDLexington, KY1467014993
- Hend AbdelhamidLexington, KY1518718428
- Fathi Abdi, MDMorehead, KY1831990902
- Jamil AbdoLouisville, KY1770378176
- Saad Abdul Karim, M.D.Louisville, KY1386008878
- Shalimar Abdullah, MDLouisville, KY1073747853
Common questions
What is Esther Bak, MD's NPI number?
Esther Bak, MD's National Provider Identifier (NPI) is 1881259661, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Esther Bak, MD located?
The NPPES record lists a practice address at 401 E Chestnut St Unit 310, Louisville, KY, 40202. Phone: (502) 588-4720. Providers update this record themselves, so call before visiting.
How can I verify Esther Bak, MD's license?
NPPES lists Kentucky license number 59173, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does Esther Bak, MD prescribe under Medicare Part D?
In 2024, Esther Bak, MD had 101 Medicare Part D claims for 42 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.
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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.