NPPES file of Aug 9, 2026

Timothy J. Ziolkowski, MD

Emergency Medicine Physician · Louisville, KY

Timothy J. Ziolkowski, MD is an emergency medicine physician with a practice address in Louisville, Kentucky, and NPI 1225078157, issued on Jun 8, 2006. Check the license (Kentucky 39137, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225078157
Name
Timothy J. Ziolkowski
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
39137 KY
27164 WV
Self-reported in NPPES; status is on the state search
Practice location
200 Abraham Flexnor Way, Louisville, KY 40202
Phone
(502) 361-9900
Enumerated
Jun 8, 2006
Record last updated
Jul 24, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(502) 361-9947
Medicaid IDs
64104565 KY
200818370 IN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 200 Abraham Flexnor Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Corey Cohen, MDEmergency Medicine Physician1700865771
  2. Charles Sherrard, MDEmergency Medicine Physician1184602294
  3. Lawrence Simpson, MDEmergency Medicine Physician1386622405

Verify Timothy J. Ziolkowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 39137
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

41% more Medicare Part D claims than the average emergency medicine physician in 2024

319 Medicare Part D claims for 211 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 39 claims were for opioids.

  1. Timothy Ziolkowski319
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt42 claims
  2. Naproxen29 claims
  3. Hydrocodone-Acetaminophen27 claims
  4. Cephalexin24 claims
  5. Tizanidine Hcl24 claims
  6. Famotidine13 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Timothy J. Ziolkowski among 903 emergency medicine physician records in Kentucky

Timothy J. Ziolkowski, MD is one of 903 emergency medicine physician records with a practice address in Kentucky. 81% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 55% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2017 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Kentucky

There are 903 emergency medicine physician records in Kentucky.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Corey Cohen, MDLouisville, KY 402021700865771
  2. Tracy Fischer, MDLouisville, KY 402021306824412
  3. Eric Goshorn, MDLouisville, KY 402021154376754
  4. Stuart Hagan, MDLouisville, KY 402021295714269
  5. Dustin Hamilton, MDLouisville, KY 402021063467660
  6. Raymond Hart, M.D.Louisville, KY 402021275527509
  7. Jennifer Huffstickler, MDLouisville, KY 402021588619183
  8. Kevin McGann, MDLouisville, KY 402021265410377

Common questions

What is Timothy J. Ziolkowski, MD's NPI number?

Timothy J. Ziolkowski, MD's National Provider Identifier (NPI) is 1225078157, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy J. Ziolkowski, MD located?

The NPPES record lists a practice address at 200 Abraham Flexnor Way, Louisville, KY, 40202. Phone: (502) 361-9900. Providers update this record themselves, so call before visiting.

How can I verify Timothy J. Ziolkowski, MD's license?

NPPES lists Kentucky license number 39137, 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 Timothy J. Ziolkowski, MD prescribe under Medicare Part D?

In 2024, Timothy J. Ziolkowski, MD had 319 Medicare Part D claims for 211 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Timothy J. Ziolkowski, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.