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Edit this profileMark A. O'Brien, DC is a chiropractor based in El Dorado Hills, CA. Mark is also listed as specializing in chiropractor — occupational health. The provider's National Provider Identifier (NPI) is 1770180895.
Factual summary compiled by Guide.md from public records; not written by this provider.
350 GREEN VALLEY RD
El Dorado Hills, CA 95762
Dr. O'Brien is a chiropractor in El Dorado Hills, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. O'Brien is listed at 350 Green Valley Rd, El Dorado Hills, CA 95762. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (570) 690-5629. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. O'Brien's National Provider Identifier is 1770180895. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. O'Brien has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
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