Alletta Bayer, LMFT
NPI 1659641397 · Marriage & Family Therapist · Mill Valley, CA
Alletta Bayer, LMFT is a Marriage & Family Therapist provider in Mill Valley, CA (NPI 1659641397).
Provider details
- NPI number
- 1659641397
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC 39224 (CA)
Specialties & taxonomies
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
14 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
- 2012-01-11
- Last updated
- 2012-01-11
Frequently asked questions
- What is Alletta Bayer's NPI number?
- Alletta Bayer's National Provider Identifier (NPI) is 1659641397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alletta Bayer's specialty?
- Alletta Bayer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Alletta Bayer located?
- Alletta Bayer's practice location on file with NPPES is 8 Robertson Ter, Mill Valley, CA 94941-3358.
- What is Alletta Bayer's phone number?
- The practice phone number listed in the NPPES registry for Alletta Bayer is (415) 519-9933.
- Is Alletta Bayer's NPI active?
- Yes — Alletta Bayer's NPI (1659641397) is active in the NPPES registry as of the last update on 2012-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.