Mark Alessandroni, LCSW
NPI 1467504761 · Mental Health Counselor · San Francisco, CA
Mark Alessandroni, LCSW is a Mental Health Counselor provider in San Francisco, CA (NPI 1467504761).
Provider details
- NPI number
- 1467504761
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS 19867 (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
19 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
- 2007-01-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Alessandroni's NPI number?
- Mark Alessandroni's National Provider Identifier (NPI) is 1467504761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Alessandroni's specialty?
- Mark Alessandroni is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Alessandroni located?
- Mark Alessandroni's practice location on file with NPPES is 4141 Geary Blvd, San Francisco, CA 94118-3109.
- What is Mark Alessandroni's phone number?
- The practice phone number listed in the NPPES registry for Mark Alessandroni is (415) 833-0203.
- Is Mark Alessandroni's NPI active?
- Yes — Mark Alessandroni's NPI (1467504761) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.