MRS. MARY B O'BRIEN RN-C, FNP, MS
NPI 1336276864
Nurse Practitioner - Family in Allendale, MI

Q: What is Mary O'brien's NPI number?

The NPI number for Mary O'brien is 1336276864. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Q: What is Mary O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Mary O'brien was last updated on February 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 28, 2007

10383 42ND AVE, ALLENDALE, MI 49401(616) 252-6030(616) 252-6035 Get Directions Write a Review

NPPES record last updated: February 21, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mrs. Mary B O'brien Rn-c, Fnp, Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARY B O'BRIEN RN-C, FNP, MS (NPI 1336276864) is an individual family provider in Allendale, Michigan, licensed in Michigan (4704107338) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1336276864

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. MARY B O'BRIENCredential: RN-C, FNP, MS

Location Address10383 42ND AVEAllendale, MI 49401-8207

Mailing Address1925 Breton Rd Se, Suite 201Grand Rapids, MI 49506-4810 · (616) 252-6030 · Fax (616) 252-6035

Phone(616) 252-6030

Fax(616) 252-6035

Sole ProprietorNo

Enumeration DateFebruary 28, 2007

Last NPPES UpdateFebruary 21, 2012

✔ NPI 1336276864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MI · 4704107338

10383 42ND AVE, Allendale, MI 49401

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROCIO ESMERALDA SANCHEZ

Nurse Practitioner (Family)

10383 42ND AVE
ALLENDALE, MI 49401

Ottawa County (616) 252-6030

MRS. EMILY KRISTINE GERARDY PA-C

Physician Assistant (Medical)

10383 42ND AVE
ALLENDALE, MI 49401

Ottawa County (616) 252-6030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary O'brien's NPI number?

The NPI number for Mary O'brien is 1336276864. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Mary O'brien located?

Mary O'brien practices at 10383 42nd Ave, Allendale, MI 49401. The listed phone number is (616) 252-6030.

What is Mary O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Mary O'brien was last updated on February 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.