What is William Jaeger's NPI number?

William Jaeger's National Provider Identifier (NPI) is 1578778908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Jaeger's specialty?

William Jaeger is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is William Jaeger located?

William Jaeger's practice location on file with NPPES is 2150 Stockton Blvd, Sacramento, CA 95817-1337.

What is William Jaeger's phone number?

The practice phone number listed in the NPPES registry for William Jaeger is (916) 875-1000.

Is William Jaeger's NPI active?

Yes — William Jaeger's NPI (1578778908) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Jaeger, M.A.

NPI 1578778908 · Mental Health Counselor · Sacramento, CA

William Jaeger, M.A. is a Mental Health Counselor provider in Sacramento, CA (NPI 1578778908).

Provider details

NPI number: 1578778908
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: M.A.
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social 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

2150 Stockton Blvd

Sacramento, CA 95817-1337

Phone: (916) 875-1000

Street-level locationGet directions

More CA providers

Mailing address

4201 Kirkby Way

North Highlands, CA 95660-4439

Enumerated: 2007-05-11
Last updated: 2007-07-08

Frequently asked questions

What is William Jaeger's NPI number?: William Jaeger's National Provider Identifier (NPI) is 1578778908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Jaeger's specialty?: William Jaeger is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
Where is William Jaeger located?: William Jaeger's practice location on file with NPPES is 2150 Stockton Blvd, Sacramento, CA 95817-1337.
What is William Jaeger's phone number?: The practice phone number listed in the NPPES registry for William Jaeger is (916) 875-1000.
Is William Jaeger's NPI active?: Yes — William Jaeger's NPI (1578778908) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.