Provider Profile
Mary B. O'Brien, RN-C, FNP, MS
Unclaimed ProfileAbout Mary O'brien
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (616) 252-6030
- Email not available
Practice Locations
10383 42ND AVE
Allendale, MI 49401
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 nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 4 related providers in 1 group
Common questions
What does Mary B. O'Brien, RN-C, FNP specialize in?
Mary B. O'Brien, RN-C, FNP is a nurse practitioner in Allendale, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Mary B. O'Brien, RN-C, FNP located?
Mary B. O'Brien, RN-C, FNP is listed at 10383 42Nd Ave, Allendale, MI 49401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary B. O'Brien, RN-C, FNP's phone number?
The number on file is (616) 252-6030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary B. O'Brien, RN-C, FNP's NPI number?
Mary B. O'Brien, RN-C, FNP's National Provider Identifier is 1336276864. 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 long has Mary B. O'Brien, RN-C, FNP been practicing?
Mary B. O'Brien, RN-C, FNP has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Mary B. O'Brien, RN-C, FNP confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary B. O'Brien, RN-C, FNP. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.