Physician Profile

Unclaimed Profile

About O'BRIEN

Mark Allen O'Brien, DC is a chiropractor based in El Dorado Hills, CA. Mark is also listed as specialising in chiropractor — occupational health.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Areas of Expertise

Chiropractor (Primary)
Chiropractor — Occupational Health (Additional)
Chiropractor (Additional)

Common questions

What does Dr. O'Brien specialise in?

Dr. O'Brien is a chiropractor in El Dorado Hills, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Chiropractor”.

NPI registry

Where is Dr. O'Brien located?

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

What is Dr. O'Brien's phone number?

The number on file is (570) 690-5629. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. O'Brien?

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

How much experience does Dr. O'Brien have?

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 practised for longer than this.

NPI registry

Is Dr. O'Brien's profile verified?

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

Licensing & Certification

CA license35782
NPI1770180895
NPI issued10/01/2020

Source: NPPES NPI Registry

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other chiropractors at this location 1

Same specialty, same street address — most likely the same department or group.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

Other chiropractors in El Dorado Hills 7

Same specialty, same city.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.