Shirley Siskowic, PH.D.
NPI 1912981879 · Mental Health Counselor · San Diego, CA
Shirley Siskowic, PH.D. is a Mental Health Counselor provider in San Diego, CA (NPI 1912981879).
Provider details
- NPI number
- 1912981879
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSYCHOLOGY 18442 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-12-05
- Last updated
- 2010-10-14
Frequently asked questions
- What is Shirley Siskowic's NPI number?
- Shirley Siskowic's National Provider Identifier (NPI) is 1912981879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Siskowic's specialty?
- Shirley Siskowic is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Shirley Siskowic located?
- Shirley Siskowic's practice location on file with NPPES is 4550 Kearny Villa Rd, San Diego, CA 92123-1578.
- What is Shirley Siskowic's phone number?
- The practice phone number listed in the NPPES registry for Shirley Siskowic is (858) 279-1223.
- Is Shirley Siskowic's NPI active?
- Yes — Shirley Siskowic's NPI (1912981879) is active in the NPPES registry as of the last update on 2010-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.