IndividualActive
Rajarathnam Sainath, PSY.D.
NPI 1659607364 · Psychologist · Fountain Valley, CA
Rajarathnam Sainath, PSY.D. is a Psychologist provider in Fountain Valley, CA (NPI 1659607364).
Provider details
- NPI number
- 1659607364
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 22890 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% 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
11100 Warner Ave
Suite 268
Fountain Valley, CA 92708-7506
Phone: (714) 540-9911
Fax: (714) 549-9720
Street-level locationGet directions
Mailing address
11100 Warner Ave
Fountain Valley, CA 92708-7506
Registry dates
- Enumerated
- 2009-10-30
- Last updated
- 2009-10-30
Frequently asked questions
- What is Rajarathnam Sainath's NPI number?
- Rajarathnam Sainath's National Provider Identifier (NPI) is 1659607364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajarathnam Sainath's specialty?
- Rajarathnam Sainath is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Rajarathnam Sainath located?
- Rajarathnam Sainath's practice location on file with NPPES is 11100 Warner Ave, Fountain Valley, CA 92708-7506.
- What is Rajarathnam Sainath's phone number?
- The practice phone number listed in the NPPES registry for Rajarathnam Sainath is (714) 540-9911.
- Is Rajarathnam Sainath's NPI active?
- Yes — Rajarathnam Sainath's NPI (1659607364) is active in the NPPES registry as of the last update on 2009-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.