Dayna Nelson, MA, LMFT
NPI 1639539166 · Marriage & Family Therapist · San Francisco, CA
Dayna Nelson, MA, LMFT is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1639539166).
Provider details
- NPI number
- 1639539166
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA, LMFT
- Sex
- Female
- Sole proprietor
- No
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
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Additional practice locations (1)
- 1001 Polk StSan Francisco, CA 94109-6915Phone: (415) 487-3300
Registry dates
- Enumerated
- 2016-02-25
- Last updated
- 2021-01-29
- Certified
- 2021-01-29
Frequently asked questions
- What is Dayna Nelson's NPI number?
- Dayna Nelson's National Provider Identifier (NPI) is 1639539166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dayna Nelson's specialty?
- Dayna Nelson is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Dayna Nelson located?
- Dayna Nelson's practice location on file with NPPES is 1701 Ocean Ave, San Francisco, CA 94112-1727.
- What is Dayna Nelson's phone number?
- The practice phone number listed in the NPPES registry for Dayna Nelson is (415) 452-2200.
- Is Dayna Nelson's NPI active?
- Yes — Dayna Nelson's NPI (1639539166) is active in the NPPES registry as of the last update on 2021-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.