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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FELIX E GEISSLER MD
NPI 1649235870
Transplant Surgery in Madison, WI

Active since April 19, 2006
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-7502(608) 833-6932 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Felix E Geissler Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FELIX E GEISSLER MD (NPI 1649235870) is an individual transplant surgery provider in Madison, Wisconsin, licensed in Wisconsin (DVP44875) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1649235870
Entity TypeIndividualMale
Primary Taxonomy204F00000X
Provider Legal NameFELIX E GEISSLERCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792
Mailing Address8007 Excelsior DriveMadison, WI 53717 · (608) 829-5201 · Fax (608) 833-6932
Phone(608) 263-7502
Fax(608) 833-6932
Sole ProprietorNo
Enumeration DateApril 19, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1649235870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204F00000X
License✔ Licensed in WI · DVP44875
Definition
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee
600 HIGHLAND AVE, Madison, WI 53792
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Other Identifiers 1

Medicaid34289900WI

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASON ALAN CHRISTENSEN PHARMD
Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Dane County (608) 662-0817
LAURA JEAN KOPPLIN MD, PHD
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6070
HAGGI MAZEH MD
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 265-8072
DR. SWAPNIL SUNIL LANJEWAR M.D.
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-0946
DR. MATTHEW JAMES HOYT M.D.
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
VANESSA MERCEDES WELTEN MD MPH
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (617) 732-5500
JOHN HENRY NORMAN HARRISON
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
PIPPA FROUKTE COSPER MD
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Felix Geissler's NPI number?

The NPI number for Felix Geissler is 1649235870. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Felix Geissler located?

Felix Geissler practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-7502.

What is Felix Geissler's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

When was this NPI record last updated?

The NPPES record for Felix Geissler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.