IndividualActive
Melissa Jajko, PSY.D.
NPI 1619336302 · Clinical Psychologist · Patton, CA
Melissa Jajko, PSY.D. is a Clinical Psychologist provider in Patton, CA (NPI 1619336302).
Provider details
- NPI number
- 1619336302
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY27818 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
3102 E. Highland Avenue
Medical Staff Office
Patton, CA 92369
Phone: (909) 425-7000
Approximate (ZIP-level) locationGet directions
Mailing address
3102 E. Highland Avenue
Patton, CA 92369
Registry dates
- Enumerated
- 2016-02-23
- Last updated
- 2016-02-23
Frequently asked questions
- What is Melissa Jajko's NPI number?
- Melissa Jajko's National Provider Identifier (NPI) is 1619336302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Jajko's specialty?
- Melissa Jajko is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Melissa Jajko located?
- Melissa Jajko's practice location on file with NPPES is 3102 E. Highland Avenue, Patton, CA 92369.
- What is Melissa Jajko's phone number?
- The practice phone number listed in the NPPES registry for Melissa Jajko is (909) 425-7000.
- Is Melissa Jajko's NPI active?
- Yes — Melissa Jajko's NPI (1619336302) is active in the NPPES registry as of the last update on 2016-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.