OrganizationActive
Stem Psychological Services
NPI 1598278731 · Psychologist · Pasadena, CA
Stem Psychological Services is a Psychologist organization in Pasadena, CA (NPI 1598278731).
Provider details
- NPI number
- 1598278731
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Amanda Cassil, Clinical Psychologist(626) 765-1635
- License
- PSY26549 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
595 E Colorado Blvd Ste 632
Pasadena, CA 91101-2052
Phone: (626) 765-1635
Street-level locationGet directions
Mailing address
595 E Colorado Blvd Ste 632
Pasadena, CA 91101-2052
Other names (DBA / former)
- Former legal business name
- Amanda Cassil, PHD
Registry dates
- Enumerated
- 2017-11-09
- Last updated
- 2020-06-13
- Certified
- 2020-06-13
Frequently asked questions
- What is Stem Psychological Services's NPI number?
- Stem Psychological Services's National Provider Identifier (NPI) is 1598278731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stem Psychological Services?
- Stem Psychological Services is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Stem Psychological Services located?
- Stem Psychological Services's practice location on file with NPPES is 595 E Colorado Blvd Ste 632, Pasadena, CA 91101-2052.
- What is Stem Psychological Services's phone number?
- The practice phone number listed in the NPPES registry for Stem Psychological Services is (626) 765-1635.
- Who is the authorized official for Stem Psychological Services?
- The authorized official listed on Stem Psychological Services's NPPES record is Amanda Cassil, Clinical Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stem Psychological Services's NPI active?
- Yes — Stem Psychological Services's NPI (1598278731) is active in the NPPES registry as of the last update on 2020-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.