Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Jan Andries Herholdt, MD

Individual provider Anesthesiology Physician · NPI 1558449538

Dr. Jan Andries Herholdt, MD is an Anesthesiology in Madison, Wisconsin. Qualified in 1985, 41 years ago. Practices with University of Louisville Physicians Inc, a 1,433-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kentucky, Texas and Wisconsin.

Years since qualifying
41
Licensed in
KY, TX, WI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

600 Highland Ave
Madison, WI 53792-4294
Phone: (608) 263-8100
Fax: (608) 262-6247
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 200 Abraham Flexner Way, Louisville, KY 40202-2877 — (502) 852-5851

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence V6183 (TX)
Anesthesiology Physician Taxonomy 207L00000X · Licence 419222 (KY)
Anesthesiology Physician Taxonomy 207L00000X · Licence 82470 (WI)

Record details

NPI number1558449538
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice University Of Louisville Physicians Inc — 1433 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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