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

Louis J McNabb, MD

Individual provider Internal Medicine Physician · NPI 1346329323

Louis J McNabb, MD is an Internal Medicine Physician in Fullerton, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
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

220 Laguna Rd Ste 2
Fullerton, CA 92835-2523
Phone: (714) 446-7454
Fax: (714) 879-1049
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Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G36837 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G36837 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence G36837 (CA)

Record details

NPI number1346329323
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESSeptember 23, 2011
Mailing address220 Laguna Rd, Suite 2, Fullerton, CA 92835-2523

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