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

Dr. John Liebert Colligan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1295727550

Dr. John Liebert Colligan, MD is an Obstetrics & Gynecology Physician in Lake Charles, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

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

See every abbreviation used in this directory →

Practice location Address checks out

2000 Opelousas St
Lake Charles, LA 70601-2641
Phone: (337) 439-9983
Fax: (337) 437-9460
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 10207 (LA)

Record details

NPI number1295727550
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 22, 2005
Last updated in NPPESJuly 28, 2008

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