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

John Mueller

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1831015759

John Mueller is an Addiction (Substance Use Disorder) Counselor in Upland, California. Licensed in California. Registered with an NPI since 2026.

Licensed in
CA
In the registry since
2026

Practice location Address checks out

239 W 9th St
Upland, CA 91786-5979
Phone: (909) 490-6283
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence RT1423561225 (CA)

Record details

NPI number1831015759
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 25, 2026
Last updated in NPPESJune 25, 2026
Certification dateJune 25, 2026
Mailing address239 W 9th St, Upland, CA 91786-5979

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