OrganizationActive
The Relationship Clinic
NPI 1659740397 · Psychiatric Hospital Unit · Palo Alto, CA
The Relationship Clinic is a Psychiatric Hospital Unit organization in Palo Alto, CA (NPI 1659740397).
Provider details
- NPI number
- 1659740397
- Entity type
- Organization
- Primary specialty
- Psychiatric Hospital UnitHospital Units
- Organization subpart
- No
- Authorized official
- Ethel Mostrel, Marriage Family Therapist(650) 799-1375
- License
- MFT 27981 (CA)
Specialties & taxonomies
Hospital Units
Agencies
Hospitals
Profile Score
Established profile(73/100 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
415 Cambridge Ave
Suite 7
Palo Alto, CA 94306-1600
Phone: (650) 799-1375
Street-level locationGet directions
Mailing address
139 Redland Rd
Woodside, CA 94062-3732
Registry dates
- Enumerated
- 2015-09-23
- Last updated
- 2015-09-23
Frequently asked questions
- What is The Relationship Clinic's NPI number?
- The Relationship Clinic's National Provider Identifier (NPI) is 1659740397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Relationship Clinic?
- The Relationship Clinic is classified in the NPPES registry as Psychiatric Hospital Unit (Hospital Units).
- Where is The Relationship Clinic located?
- The Relationship Clinic's practice location on file with NPPES is 415 Cambridge Ave, Palo Alto, CA 94306-1600.
- What is The Relationship Clinic's phone number?
- The practice phone number listed in the NPPES registry for The Relationship Clinic is (650) 799-1375.
- Who is the authorized official for The Relationship Clinic?
- The authorized official listed on The Relationship Clinic's NPPES record is Ethel Mostrel, Marriage Family Therapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Relationship Clinic's NPI active?
- Yes — The Relationship Clinic's NPI (1659740397) is active in the NPPES registry as of the last update on 2015-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.