What is Fred Sly's NPI number?

Fred Sly's National Provider Identifier (NPI) is 1023225844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fred Sly's specialty?

Fred Sly is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Fred Sly located?

Fred Sly's practice location on file with NPPES is 860 N Bush St, Ukiah, CA 95482-3919.

What is Fred Sly's phone number?

The practice phone number listed in the NPPES registry for Fred Sly is (707) 463-4396.

Is Fred Sly's NPI active?

Yes — Fred Sly's NPI (1023225844) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Fred Sly

NPI 1023225844 · Case Manager/Care Coordinator · Ukiah, CA

Fred Sly is a Case Manager/Care Coordinator provider in Ukiah, CA (NPI 1023225844).

Provider details

NPI number: 1023225844
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers
Driver172A00000X
Other Service Providers

Profile Score

Detailed profile(83/100 index)

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

Registry tenure38% of score
19 yrs in NPPES 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

860 N Bush St

Ukiah, CA 95482-3919

Phone: (707) 463-4396

Street-level locationGet directions

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Mailing address