DR. JOHN MICHAEL CASSIDY M.D.
NPI 1356388342
Internal Medicine - Cardiovascular Disease in Tulsa, OK

Active since May 31, 2006
6151 S YALE AVE, SUITE 400, TULSA, OK 74136(918) 494-8500(918) 307-5586 Get Directions Write a Review

NPPES record last updated: March 18, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Michael Cassidy M.d. NPPES

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

DR. JOHN MICHAEL CASSIDY M.D. (NPI 1356388342) is an individual cardiovascular disease provider in Tulsa, Oklahoma, licensed in Oklahoma (18361) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1356388342
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JOHN MICHAEL CASSIDYCredential: M.D.
Location Address6151 S YALE AVE, SUITE 400Tulsa, OK 74136-1907
Mailing Address6151 S Yale Ave, Suite 400Tulsa, OK 74136-1907 · (918) 494-8500 · Fax (918) 307-5586
Fax(918) 307-5586
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateMarch 18, 2008
NPI 1356388342 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 OK · 18361
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.
6151 S YALE AVE, Tulsa, OK 74136

Other Identifiers 2

Medicare UPINC 78423OK
OtherP00409612OK · Railroad Medicare

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.

Internal Medicine (Cardiovascular Disease)
6151 S YALE AVE, STE 304
TULSA, OK 74136
Nurse Practitioner
6151 S YALE AVE, SUITE A-100
TULSA, OK 74136
Internal Medicine (Cardiovascular Disease)
6151 S YALE AVE, SUITE 400
TULSA, OK 74136
Internal Medicine (Critical Care Medicine)
6151 S YALE AVE
TULSA, OK 74136
Pediatrics (Pediatric Cardiology)
6151 S YALE AVE, SUITE 2402
TULSA, OK 74136
Pediatrics (Neonatal-Perinatal Medicine)
6151 S YALE AVE, LEVEL B
TULSA, OK 74136
Physician Assistant
6151 S YALE AVE, SUITE 1-301
TULSA, OK 74136
Internal Medicine (Critical Care Medicine)
6151 S YALE AVE
TULSA, OK 74136

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 John Cassidy's NPI number?

The NPI number for John Cassidy is 1356388342. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is John Cassidy located?

John Cassidy practices at 6151 S Yale Ave Suite 400, Tulsa, OK 74136. The listed phone number is (918) 494-8500.

What is John Cassidy'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 John Cassidy was last updated on March 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.