Samuel John Rajaratnam, MD
NPI 1427103522 · Child & Adolescent Psychiatry Physician · Huntington Beach, CA
Samuel John Rajaratnam, MD is a Child & Adolescent Psychiatry Physician provider in Huntington Beach, CA (NPI 1427103522).
Provider details
- NPI number
- 1427103522
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A51207 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-25
- Last updated
- 2017-04-11
Frequently asked questions
- What is Samuel John Rajaratnam's NPI number?
- Samuel John Rajaratnam's National Provider Identifier (NPI) is 1427103522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel John Rajaratnam's specialty?
- Samuel John Rajaratnam is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel John Rajaratnam located?
- Samuel John Rajaratnam's practice location on file with NPPES is 16152 Beach Blvd Ste 200, Huntington Beach, CA 92647-3869.
- What is Samuel John Rajaratnam's phone number?
- The practice phone number listed in the NPPES registry for Samuel John Rajaratnam is (714) 841-6772.
- Is Samuel John Rajaratnam's NPI active?
- Yes — Samuel John Rajaratnam's NPI (1427103522) is active in the NPPES registry as of the last update on 2017-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.