Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Jan Herholdt, MD

Works at hospitals in Louisville, KY · Kentucky

Summary

Jan Herholdt, MD (Anesthesiology) is listed by Medicare at 1 hospital in Louisville, KY. NPI 1558449538. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jan Herholdt, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
MaleGender (as listed)
University of Louisville Physicians IncGroup practice

Quick answers

Which hospitals does Jan Herholdt work at?
Medicare's official clinician data lists Jan Herholdt at 1 hospital: UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jan Herholdt see patients?
Medicare's clinician data lists 1 practice location in Louisville, KY. Call before your visit to confirm the address.
What is Jan Herholdt's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Jan Herholdt accept Medicare assignment?
Yes. Medicare's clinician data says Jan Herholdt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jan Herholdt?
(502) 587-4401, as listed in official Medicare / NPI Registry data.
What is Jan Herholdt's NPI number?
1558449538. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jan Herholdt works

Medicare's Facility Affiliation Data lists Jan Herholdt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jan Herholdt is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jan Herholdt as a member of this group (CMS data updated 2026-10-02).

  • University of Louisville Physicians Inc1,445 clinicians in the group

Specialties

Find other Anesthesiology doctors in Kentucky →

Other anesthesiologists in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

All anesthesiologists in Louisville →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558449538
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians