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

DR. JAMES TATKON-COKER M.D.
NPI 1295723468
Internal Medicine - Cardiovascular Disease in Mason City, IA

Active since October 11, 2005
250 S CRESCENT DR, MASON CITY, IA 50401(641) 422-6730(641) 422-6659 Get Directions Write a Review

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

About Dr. James Tatkon-coker M.d. NPPES

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

DR. JAMES TATKON-COKER M.D. (NPI 1295723468) is an individual cardiovascular disease provider in Mason City, Iowa, licensed in Iowa (21457) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1295723468
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JAMES TATKON-COKERCredential: M.D.
Location Address250 S CRESCENT DRMason City, IA 50401-2926
Mailing Address250 S Crescent DrMason City, IA 50401-2926 · (641) 422-6730 · Fax (641) 422-6659
Fax(641) 422-6659
Sole ProprietorNo
Enumeration DateOctober 11, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1295723468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in IA · 21457
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
250 S CRESCENT DR, Mason City, IA 50401

Other Identifiers 1

Medicaid1203943IA

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.

Nurse Practitioner (Psychiatric/Mental Health)
250 S CRESCENT DR
MASON CITY, IA 50401
Plastic Surgery
250 S CRESCENT DR
MASON CITY, IA 50401
Audiologist
250 S CRESCENT DR, #100
MASON CITY, IA 50401
Orthopaedic Surgery
250 S CRESCENT DR
MASON CITY, IA 50401
Physician Assistant
250 S CRESCENT DR
MASON CITY, IA 50401
Nurse Practitioner (Family)
250 S CRESCENT DR
MASON CITY, IA 50401
Otolaryngology
250 S CRESCENT DR
MASON CITY, IA 50401
Internal Medicine (Cardiovascular Disease)
250 S CRESCENT DR
MASON CITY, IA 50401

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 James Tatkon-coker's NPI number?

The NPI number for James Tatkon-coker is 1295723468. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is James Tatkon-coker located?

James Tatkon-coker practices at 250 S Crescent Dr, Mason City, IA 50401. The listed phone number is (641) 422-6730.

What is James Tatkon-coker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for James Tatkon-coker 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 38 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.