Michael Petersen
NPI 1871257535 · Peer Specialist · Concord, CA
Michael Petersen is a Peer Specialist provider in Concord, CA (NPI 1871257535).
Provider details
- NPI number
- 1871257535
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Community Health Worker172V00000X
Other Service Providers
- Day Training/Habilitation Specialist373H00000X
Nursing Service Related Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
Mailing address
Registry dates
- Enumerated
- 2021-10-28
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Michael Petersen's NPI number?
- Michael Petersen's National Provider Identifier (NPI) is 1871257535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Petersen's specialty?
- Michael Petersen is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Michael Petersen located?
- Michael Petersen's practice location on file with NPPES is 2425 Bisso Ln Ste 100, Concord, CA 94520-4817.
- What is Michael Petersen's phone number?
- The practice phone number listed in the NPPES registry for Michael Petersen is (925) 500-3093.
- Is Michael Petersen's NPI active?
- Yes — Michael Petersen's NPI (1871257535) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.