Eric Niemeyer, PSY. D.
NPI 1154584894 · Clinical Psychologist · Vacaville, CA
Eric Niemeyer, PSY. D. is a Clinical Psychologist provider in Vacaville, CA (NPI 1154584894).
Provider details
- NPI number
- 1154584894
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY. D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Health Service Psychologist103TH0100X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2008-07-02
- Last updated
- 2022-12-08
- Certified
- 2022-12-08
Frequently asked questions
- What is Eric Niemeyer's NPI number?
- Eric Niemeyer's National Provider Identifier (NPI) is 1154584894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Niemeyer's specialty?
- Eric Niemeyer is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Eric Niemeyer located?
- Eric Niemeyer's practice location on file with NPPES is 421 Nut Tree Road, Vacaville, CA 95688.
- What is Eric Niemeyer's phone number?
- The practice phone number listed in the NPPES registry for Eric Niemeyer is (707) 624-7500.
- Is Eric Niemeyer's NPI active?
- Yes — Eric Niemeyer's NPI (1154584894) is active in the NPPES registry as of the last update on 2022-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.