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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.

DR. ROBERT F GEISLER M.D.
NPI 1104893023
Specialist in Clearwater, FL

Active since March 01, 2006
3155 N MCMULLEN BOOTH RD, CLEARWATER, FL 33761(727) 669-9018(727) 669-4308 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Robert F Geisler M.d. NPPES

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

DR. ROBERT F GEISLER M.D. (NPI 1104893023) is an individual specialist in Clearwater, Florida, licensed in Florida (ME0045397) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1104893023
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. ROBERT F GEISLERCredential: M.D.
Location Address3155 N MCMULLEN BOOTH RDClearwater, FL 33761-2008
Mailing Address3155 N Mcmullen Booth RdClearwater, FL 33761-2008 · (727) 669-9018 · Fax (727) 669-4308
Phone(727) 669-9018
Fax(727) 669-4308
Sole ProprietorNo
Enumeration DateMarch 1, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1104893023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in FL · ME0045397
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3155 N MCMULLEN BOOTH RD, Clearwater, FL 33761
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Other Providers at the Same Location NPPES 5

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

PREMIER RADIATION ONCOLOGY ASSOCIATES LLC
Radiology (Radiation Oncology)
3155 N MCMULLEN BOOTH RD
CLEARWATER, FL 33761
Pinellas County (727) 669-9018
PINELLAS RADIATION ONCOLOGY ASSOCIATES
Specialist
3155 N MCMULLEN BOOTH RD
CLEARWATER, FL 33761
Pinellas County (727) 669-9018
DR. NORMAN J BRODSKY MD
Specialist
3155 N MCMULLEN BOOTH RD
CLEARWATER, FL 33761
Pinellas County (727) 669-9018
BARDMOOR CANCER CENTER LLC
Radiology (Radiation Oncology)
3155 N MCMULLEN BOOTH RD
CLEARWATER, FL 33761
Pinellas County (727) 320-0200
DR. MICHAEL D GAUWITZ MD
Specialist
3155 N MCMULLEN BOOTH RD
CLEARWATER, FL 33761
Pinellas County (727) 669-9018

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 Robert Geisler's NPI number?

The NPI number for Robert Geisler is 1104893023. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is Robert Geisler located?

Robert Geisler practices at 3155 N Mcmullen Booth Rd, Clearwater, FL 33761. The listed phone number is (727) 669-9018.

What is Robert Geisler's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Robert Geisler 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 32 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.