John A. Lach, MD
Family Medicine Physician · Louisville, KY
John A. Lach, MD is a family medicine physician with a practice address in Louisville, Kentucky, and NPI 1285691824, issued on Apr 27, 2006. Check the license (Kentucky 18965, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John A. Lach
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 18965 KY
Self-reported in NPPES; status is on the state search - Practice location
- 2355 Poplar Level RD, Louisville, KY 40217
- Phone
- (502) 636-7444
- Enumerated
- Apr 27, 2006
- Record last updated
- Nov 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (502) 636-7340
- Medicaid IDs
- 200482450 IN
64189657 KY - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,968 in Kentucky → Look up another NPI →
Also registered at 2355 Poplar Level RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Aufox, MDFamily Medicine Physician1790740991
- Emily Beckman, APRNNurse Practitioner1942665161
- Lori Caloia, MDFamily Medicine Physician1730177064
- David Catlett, MDFamily Medicine Physician1245295310
- Stephen Cavanah, MDEndocrinology, Diabetes & Metabolism Physician1427045723
- Kerry Curtiss, ARNPNurse Practitioner1922198365
Verify John A. Lach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 18965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
111 Medicare Part D claims for 67 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix40 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.
John A. Lach among 1,968 family medicine physician records in Kentucky
John A. Lach, MD is one of 1,968 family medicine physician records with a practice address in Kentucky. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 50% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2014 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 family medicine physician records list a practice address in Louisville
They are 344 of the 21,891 NPPES records with a practice address in Louisville, and 1,968 family medicine physician records in Kentucky.
All 1,968 in Kentucky → Every provider in Louisville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Aufox, MDLouisville, KY 402171790740991
- Lori Caloia, MDLouisville, KY 402171730177064
- David Catlett, MDLouisville, KY 402171245295310
- Dennis Gray, M.D.Louisville, KY 402171942202288
- Anthony Hubbuch, M.D.Louisville, KY 402171336104447
- Rene Kurowski, MDLouisville, KY 402171053382424
- John Manire, D.O.Louisville, KY 402171720421027
- John Markert, MDLouisville, KY 402171003922923
Common questions
What is John A. Lach, MD's NPI number?
John A. Lach, MD's National Provider Identifier (NPI) is 1285691824, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Lach, MD located?
The NPPES record lists a practice address at 2355 Poplar Level RD, Louisville, KY, 40217. Phone: (502) 636-7444. Providers update this record themselves, so call before visiting.
How can I verify John A. Lach, MD's license?
NPPES lists Kentucky license number 18965, 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 John A. Lach, MD prescribe under Medicare Part D?
In 2024, John A. Lach, MD had 111 Medicare Part D claims for 67 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.