Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CESAR ARIEL KELLER M.D.
NPI 1720078579
Internal Medicine - Pulmonary Disease in Jacksonville, FL

Active since October 24, 2005
4500 SAN PABLO RD S, JACKSONVILLE, FL 32224(904) 953-2000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Cesar Ariel Keller M.d. NPPES

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

DR. CESAR ARIEL KELLER M.D. (NPI 1720078579) is an individual pulmonary disease provider in Jacksonville, Florida, licensed in Florida (ME82047) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1720078579
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. CESAR ARIEL KELLERCredential: M.D.
Location Address4500 SAN PABLO RD SJacksonville, FL 32224-1865
Mailing Address4500 San Pablo Rd SJacksonville, FL 32224-1865 · (904) 953-2000
Sole ProprietorNo
Enumeration DateOctober 24, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1720078579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in FL · ME82047
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
4500 SAN PABLO RD S, Jacksonville, FL 32224

Other Identifiers 1

Other58701FL · Bluecross/blueshield

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.

Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Gastroenterology)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Orthopaedic Surgery
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Hospitalist
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224

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 Cesar Keller's NPI number?

The NPI number for Cesar Keller is 1720078579. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Where is Cesar Keller located?

Cesar Keller practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.

What is Cesar Keller's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Cesar Keller 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 22 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.