Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Jeffrey Long, MD

Individual provider Cardiovascular Disease Physician · NPI 1093718439

Dr. William Jeffrey Long, MD is a Cardiovascular Disease Physician in Slidell, Louisiana. Licensed in Louisiana and New Hampshire. Registered with an NPI since 2005.

Licensed in
LA, NH
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1051 Gause Blvd Ste 320
Slidell, LA 70458-2988
Phone: (985) 726-2655
Fax: (985) 643-9808
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 017055 (LA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 7248 (NH)

Record details

NPI number1093718439
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2005
Last updated in NPPESMarch 24, 2010
Mailing address1051 Gause Blvd, Ste 320, Slidell, LA 70458-2988

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