IndividualActive
Linda Stewart
NPI 1821209164 · Marriage & Family Therapist · Hayward, CA
Linda Stewart is a Marriage & Family Therapist provider in Hayward, CA (NPI 1821209164).
Provider details
- NPI number
- 1821209164
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 50191 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
682 Briergate Way
Hayward, CA 94544-7245
Phone: (510) 487-2910
Fax: (510) 487-2916
Street-level locationGet directions
Mailing address
433 Viebrock Way
Hayward, CA 94544-6449
Registry dates
- Enumerated
- 2007-05-25
- Last updated
- 2023-01-11
- Certified
- 2023-01-11
Frequently asked questions
- What is Linda Stewart's NPI number?
- Linda Stewart's National Provider Identifier (NPI) is 1821209164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Stewart's specialty?
- Linda Stewart is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Linda Stewart located?
- Linda Stewart's practice location on file with NPPES is 682 Briergate Way, Hayward, CA 94544-7245.
- What is Linda Stewart's phone number?
- The practice phone number listed in the NPPES registry for Linda Stewart is (510) 487-2910.
- Is Linda Stewart's NPI active?
- Yes — Linda Stewart's NPI (1821209164) is active in the NPPES registry as of the last update on 2023-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.