Know Now Psychological Services, PC
NPI 1609569672 · Cognitive & Behavioral Psychologist · San Francisco, CA
Know Now Psychological Services, PC is a Cognitive & Behavioral Psychologist organization in San Francisco, CA (NPI 1609569672).
Provider details
- NPI number
- 1609569672
- Entity type
- Organization
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Brian Gustman, Practice Owner/Psychologist(415) 295-5537
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
Behavioral Health & Social Service Providers
- School Psychologist103TS0200X
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
3 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
- 2023-05-26
- Last updated
- 2023-05-26
- Certified
- 2023-05-26
Frequently asked questions
- What is Know Now Psychological Services, PC's NPI number?
- Know Now Psychological Services, PC's National Provider Identifier (NPI) is 1609569672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Know Now Psychological Services, PC?
- Know Now Psychological Services, PC is classified in the NPPES registry as Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is Know Now Psychological Services, PC located?
- Know Now Psychological Services, PC's practice location on file with NPPES is 399 Laurel St Ste 9, San Francisco, CA 94118-1952.
- What is Know Now Psychological Services, PC's phone number?
- The practice phone number listed in the NPPES registry for Know Now Psychological Services, PC is (415) 295-5537.
- Who is the authorized official for Know Now Psychological Services, PC?
- The authorized official listed on Know Now Psychological Services, PC's NPPES record is Brian Gustman, Practice Owner/Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Know Now Psychological Services, PC's NPI active?
- Yes — Know Now Psychological Services, PC's NPI (1609569672) is active in the NPPES registry as of the last update on 2023-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.