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

Dr. Louis G. Brennan, MD

Individual provider Plastic Surgery within the Head & Neck (Otolaryngology) Physician · NPI 1154636769

Dr. Louis G. Brennan, MD is a Plastic Surgery within the Head & Neck (Otolaryngology) Physician in Laguna Niguel, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
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

4 Leicester Ct
Laguna Niguel, CA 92677-9380
Phone: (949) 481-0285
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Plastic Surgery within the Head & Neck (Otolaryngology) Physician (primary) Taxonomy 207YX0007X · Licence CFE25219 (CA)

Record details

NPI number1154636769
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 9, 2010
Last updated in NPPESAugust 9, 2010