DR. ROBERT R TREUHERZ MD
NPI 1194796151
Internal Medicine - Addiction Medicine in Crestline, CA

Active since January 30, 2006
23739 LAKE DRIVE STE 101, CRESTLINE, CA 92325(909) 273-8779(888) 507-7087 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2023, Sep 25, 2018, May 23, 2018 (3 updates tracked since 2018).

About Dr. Robert R Treuherz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT R TREUHERZ MD (NPI 1194796151) is an individual addiction medicine provider in Crestline, California, licensed in California (A44467) and active in the NPI registry since January 2006. He maintains a secondary practice location in Lake Arrowhead.

NPPES Registry Identity

NPI1194796151
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameDR. ROBERT R TREUHERZCredential: MD
Location Address23739 LAKE DRIVE STE 101Crestline, CA 92325
Mailing AddressPo Box 117Cedar Glen, CA 92321-0117 · (909) 273-8779 · Fax (909) 744-9940
Fax(888) 507-7087
Sole ProprietorNo
Enumeration DateJanuary 30, 2006
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPI 1194796151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License Licensed in CA · A44467
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedSpecialistTaxonomy 174400000X · License ME61470 (FL)
Also ListedFamily Medicine · Addiction MedicineTaxonomy 207QA0401X · License ME61470 (FL)
23739 LAKE DRIVE STE 101, Crestline, CA 92325

Secondary Practice Location 1

Location 129104 Bald Eagle Ridge DrLake Arrowhead, CA 92352-0117 · Phone (909) 273-8779 · Fax (888) 507-7087

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Treuherz's NPI number?

The NPI number for Robert Treuherz is 1194796151. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Robert Treuherz located?

Robert Treuherz practices at 23739 Lake Drive Ste 101, Crestline, CA 92325. The listed phone number is (909) 273-8779.

What is Robert Treuherz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

When was this NPI record last updated?

The NPPES record for Robert Treuherz was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.