What is Fred Hoff's NPI number?

Fred Hoff's National Provider Identifier (NPI) is 1528921046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fred Hoff's specialty?

Fred Hoff is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).

Where is Fred Hoff located?

Fred Hoff's practice location on file with NPPES is 3250 Guerneville Rd, Santa Rosa, CA 95401-4030.

What is Fred Hoff's phone number?

The practice phone number listed in the NPPES registry for Fred Hoff is (707) 579-4066.

Is Fred Hoff's NPI active?

Yes — Fred Hoff's NPI (1528921046) is active in the NPPES registry as of the last update on 2025-12-03.

IndividualActive

Fred Hoff

NPI 1528921046 · Addiction (Substance Use Disorder) Counselor · Santa Rosa, CA

Fred Hoff is a Addiction (Substance Use Disorder) Counselor provider in Santa Rosa, CA (NPI 1528921046).

Provider details

NPI number: 1528921046
Entity type: Individual
Primary specialty: Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Addiction (Substance Use Disorder) CounselorPrimary101YA0400X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3250 Guerneville Rd

Santa Rosa, CA 95401-4030

Phone: (707) 579-4066

Street-level locationGet directions

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Mailing address