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Michael Marchiselli
NPI 1255845590 · Peer Specialist · San Francisco, CA
Michael Marchiselli is a Peer Specialist provider in San Francisco, CA (NPI 1255845590).
Provider details
- NPI number
- 1255845590
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1990 41st Ave
San Francisco, CA 94116-1101
Phone: (415) 753-7400
Street-level locationGet directions
Mailing address
1761 Page St
San Francisco, CA 94117-1907
Registry dates
- Enumerated
- 2017-11-22
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Michael Marchiselli's NPI number?
- Michael Marchiselli's National Provider Identifier (NPI) is 1255845590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marchiselli's specialty?
- Michael Marchiselli is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Michael Marchiselli located?
- Michael Marchiselli's practice location on file with NPPES is 1990 41st Ave, San Francisco, CA 94116-1101.
- What is Michael Marchiselli's phone number?
- The practice phone number listed in the NPPES registry for Michael Marchiselli is (415) 753-7400.
- Is Michael Marchiselli's NPI active?
- Yes — Michael Marchiselli's NPI (1255845590) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.