Kaitlyn Sien, MA, AMFT
NPI 1902444847 · Marriage & Family Therapist · Redwood City, CA
Kaitlyn Sien, MA, AMFT is a Marriage & Family Therapist provider in Redwood City, CA (NPI 1902444847).
Provider details
- NPI number
- 1902444847
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA, AMFT
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 5820 Stoneridge Mall Rd Ste 205Pleasanton, CA 94588-3347Phone: (877) 418-2978Fax: (866) 500-2186
- 1811 Grand Canal Blvd Ste 2Stockton, CA 95207-8107Phone: (209) 213-1124
Registry dates
- Enumerated
- 2019-12-11
- Last updated
- 2024-02-13
- Certified
- 2024-02-13
Frequently asked questions
- What is Kaitlyn Sien's NPI number?
- Kaitlyn Sien's National Provider Identifier (NPI) is 1902444847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kaitlyn Sien's specialty?
- Kaitlyn Sien is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Kaitlyn Sien located?
- Kaitlyn Sien's practice location on file with NPPES is 1775 Woodside Rd Ste 203, Redwood City, CA 94061-3454.
- What is Kaitlyn Sien's phone number?
- The practice phone number listed in the NPPES registry for Kaitlyn Sien is (650) 456-1030.
- Is Kaitlyn Sien's NPI active?
- Yes — Kaitlyn Sien's NPI (1902444847) is active in the NPPES registry as of the last update on 2024-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.