Tiffany Ninehouser, PSY.D.
NPI 1881864593 · Student in an Organized Health Care Education/Training Program · Concord, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Ninehouser, PSY.D. is a Student in an Organized Health Care Education/Training Program provider in Concord, CA (NPI 1881864593).
Provider details
- NPI number
- 1881864593
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-03-10
- Last updated
- 2014-02-19
Frequently asked questions
- What is Tiffany Ninehouser's NPI number?
- Tiffany Ninehouser's National Provider Identifier (NPI) is 1881864593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Ninehouser's specialty?
- Tiffany Ninehouser is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Tiffany Ninehouser located?
- Tiffany Ninehouser's practice location on file with NPPES is 1333 Willow Pass Rd Ste 102, Concord, CA 94520.
- What is Tiffany Ninehouser's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Ninehouser is (925) 825-7094.
- Does Tiffany Ninehouser accept Medicare?
- Tiffany Ninehouser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Ninehouser's NPI active?
- Yes — Tiffany Ninehouser's NPI (1881864593) is active in the NPPES registry as of the last update on 2014-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.