IndividualActive
Nathan Nielsen
NPI 1013279355 · Counselor · San Francisco, CA
Nathan Nielsen is a Counselor provider in San Francisco, CA (NPI 1013279355).
Provider details
- NPI number
- 1013279355
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(73/100 index)
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
83% 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
368 Fell St
San Francisco, CA 94102-5144
Phone: (415) 861-0828
Fax: (415) 861-0257
Street-level locationGet directions
Mailing address
368 Fell St
San Francisco, CA 94102-5144
Registry dates
- Enumerated
- 2012-06-12
- Last updated
- 2012-06-12
Frequently asked questions
- What is Nathan Nielsen's NPI number?
- Nathan Nielsen's National Provider Identifier (NPI) is 1013279355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Nielsen's specialty?
- Nathan Nielsen is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Nathan Nielsen located?
- Nathan Nielsen's practice location on file with NPPES is 368 Fell St, San Francisco, CA 94102-5144.
- What is Nathan Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Nathan Nielsen is (415) 861-0828.
- Is Nathan Nielsen's NPI active?
- Yes — Nathan Nielsen's NPI (1013279355) is active in the NPPES registry as of the last update on 2012-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.