Bay Children'S Services
NPI 1003095563 · Child & Adolescent Psychiatry Physician · Berkeley, CA
Bay Children'S Services is a Child & Adolescent Psychiatry Physician organization in Berkeley, CA (NPI 1003095563).
Provider details
- NPI number
- 1003095563
- Entity type
- Organization
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Tarshis, Founder and Cfo(510) 224-4221
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Clinical Child & Adolescent Psychologist103TC2200X
Behavioral Health & Social Service Providers
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
- Psychologist103T00000X
Behavioral Health & Social Service Providers
- Marriage & Family Therapist106H00000X
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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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
Other names (DBA / former)
- Former legal business name
- Bay Area Children'S Associatiobn
Additional practice locations (1)
- 1408 Chapin Ave Ste 3Burlingame, CA 94010-4080Phone: (510) 224-4221Fax: (510) 422-1442
Registry dates
- Enumerated
- 2007-10-31
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Bay Children'S Services's NPI number?
- Bay Children'S Services's National Provider Identifier (NPI) is 1003095563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Bay Children'S Services?
- Bay Children'S Services is classified in the NPPES registry as Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Bay Children'S Services located?
- Bay Children'S Services's practice location on file with NPPES is 3030 Ashby Ave, Berkeley, CA 94705-2439.
- What is Bay Children'S Services's phone number?
- The practice phone number listed in the NPPES registry for Bay Children'S Services is (510) 224-4221.
- Who is the authorized official for Bay Children'S Services?
- The authorized official listed on Bay Children'S Services's NPPES record is Thomas Tarshis, Founder and Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Bay Children'S Services's NPI active?
- Yes — Bay Children'S Services's NPI (1003095563) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.