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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. JON LEE FLEMING M.D.
NPI 1285622274
Internal Medicine - Gastroenterology in Ames, IA

Active since October 12, 2005
1215 DUFF AVE, AMES, IA 50010(515) 239-4450(515) 956-4080 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. Jon Lee Fleming M.d. NPPES

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

DR. JON LEE FLEMING M.D. (NPI 1285622274) is an individual gastroenterology provider in Ames, Iowa, licensed in Iowa (23331) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1285622274
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JON LEE FLEMINGCredential: M.D.
Location Address1215 DUFF AVEAmes, IA 50010-5400
Mailing Address1215 Duff AveAmes, IA 50010-5400 · (515) 239-4450 · Fax (515) 956-4080
Phone(515) 239-4450
Fax(515) 956-4080
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1285622274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IA · 23331
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1215 DUFF AVE, Ames, IA 50010
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Other Identifiers 1

Medicaid0036020IA

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.

KARL HAMOUCHE
Radiology (Diagnostic Radiology)
1215 DUFF AVE
AMES, IA 50010
Story County (515) 239-4456
MARK R. MORRIS PA-C
Physician Assistant (Medical)
1215 DUFF AVE, MCFARLAND CLINIC, PC
AMES, IA 50010
Story County (515) 239-4496
NICHOLAS LELAND SKIBBA PHARMD
Pharmacist (Ambulatory Care)
1215 DUFF AVE
AMES, IA 50010
Story County (515) 239-4400
TROY MICHAEL MCDONOUGH M.S.P.T.
Physical Therapist
1215 DUFF AVE
AMES, IA 50010
Story County (515) 956-4095
BRIAN O'TOOL
Physical Therapist
1215 DUFF AVE
AMES, IA 50010
Story County (515) 956-4095
MATIAS ALBERTO GERSTNER MD
Internal Medicine
1215 DUFF AVE
AMES, IA 50010
Story County (515) 239-4431
DR. JUSTIN WADE RASH PHARMD
Pharmacist
1215 DUFF AVE
AMES, IA 50010
Story County (515) 232-7315
NATALIE NELSON
Physician Assistant
1215 DUFF AVE
AMES, IA 50010
Story County (515) 239-4475

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 Jon Fleming's NPI number?

The NPI number for Jon Fleming is 1285622274. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Jon Fleming located?

Jon Fleming practices at 1215 Duff Ave, Ames, IA 50010. The listed phone number is (515) 239-4450.

What is Jon Fleming's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Jon Fleming 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 28 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.