IndividualActive
Mark Harden
NPI 1780888545 · Counselor · San Francisco, CA
Mark Harden is a Counselor provider in San Francisco, CA (NPI 1780888545).
Provider details
- NPI number
- 1780888545
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1440 Chinook Ct
San Francisco, CA 94130-1628
Phone: (415) 394-5867
Street-level locationGet directions
Mailing address
1522 Prince St
Berkeley, CA 94703-2349
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2026-05-24
Frequently asked questions
- What is Mark Harden's NPI number?
- Mark Harden's National Provider Identifier (NPI) is 1780888545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Harden's specialty?
- Mark Harden is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Harden located?
- Mark Harden's practice location on file with NPPES is 1440 Chinook Ct, San Francisco, CA 94130-1628.
- What is Mark Harden's phone number?
- The practice phone number listed in the NPPES registry for Mark Harden is (415) 394-5867.
- Is Mark Harden's NPI active?
- Yes — Mark Harden's NPI (1780888545) is active in the NPPES registry as of the last update on 2026-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.