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

Mr. Karl Louis Guillen, AAS

Individual provider Contractor · NPI 1154083186

Mr. Karl Louis Guillen, AAS is a Contractor in Oro Valley, Arizona. Practices as a sole proprietor. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

740 W Calle Alta Loma
Oro Valley, AZ 85737-7099
Phone: (520) 870-8324
Fax: (520) 297-5355
Show map & directions

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

Specialties & licences

Contractor (primary) Taxonomy 171W00000X

Record details

NPI number1154083186
Entity typeIndividual (Type 1)
GenderMale
Credentials AAS
Sole proprietorYes
NPI enumeratedOctober 7, 2021
Last updated in NPPESOctober 7, 2021
Certification dateOctober 7, 2021