1. Home
  2. Directory
  3. Louisiana
  4. New Orleans
  5. Internal Medicine
  6. NPI Profile

LEO T. HAPPEL JR. PHD
NPI 1225050727
Internal Medicine - Cardiovascular Disease in New Orleans, LA

Active since July 24, 2006
1542 TULANE AVE, BOX T2-1, NEW ORLEANS, LA 70112(504) 568-4080 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Leo T. Happel Jr. Phd NPPES

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

LEO T. HAPPEL JR. PHD (NPI 1225050727) is an individual cardiovascular disease provider in New Orleans, Louisiana, licensed in Louisiana (1111) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1225050727
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameLEO T. HAPPEL JR.Credential: PHD
Location Address1542 TULANE AVE, BOX T2-1New Orleans, LA 70112-2865
Mailing Address1340 Poydras StNew Orleans, LA 70112-1221 · (504) 412-1860
Phone(504) 568-4080
Sole ProprietorNo
Enumeration DateJuly 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1225050727 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 LA · 1111
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.
1542 TULANE AVE, New Orleans, LA 70112
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedINELIGIBLE

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.

DR. WILLIAM PAUL HUDSON II M.D.
Family Medicine (Geriatric Medicine)
1542 TULANE AVE, BOX T4M-2
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-4626
DR. PATRICK GREIFFENSTEIN M.D.
Surgery (Trauma Surgery)
1542 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-4750
RAJASREE PIA CHOWDRY MD
Internal Medicine (Hematology & Oncology)
1542 TULANE AVE, RM 442 MAIL BOX T4M-2
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-2127
JONATHAN JACOB ABRAHAM
Student in an Organized Health Care Education/Training Program
1542 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-4680
DR. ALEAH RENEE SINGLETON MD
Student in an Organized Health Care Education/Training Program
1542 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-4890
DR. DANA MARIE WALTERS M.D.
Internal Medicine (Nephrology)
1542 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-8655
ERIC S. PATRICK MD
Radiology (Diagnostic Radiology)
1542 TULANE AVE, RADIOLOGY, ROOM 353
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-5523
DR. VICTORIA ELIZABETH BURKE MD
Internal Medicine (Infectious Disease)
1542 TULANE AVE, RM. 331
NEW ORLEANS, LA 70112
Orleans Parish (504) 568-5031

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 Leo Happel's NPI number?

The NPI number for Leo Happel is 1225050727. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Leo Happel located?

Leo Happel practices at 1542 Tulane Ave Box T2-1, New Orleans, LA 70112. The listed phone number is (504) 568-4080.

What is Leo Happel'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 Leo Happel was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.