Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MRS. SHELLEY JANE O'BRIEN PA-C
NPI 1861453185
Physician Assistant - Medical in Ypsilanti, MI

Active since March 28, 2006
5301 EAST HURON RIVER DRIVE, ST. JOSEPH MERCY HOSPITAL, YPSILANTI, MI 48106(734) 712-2683 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Shelley Jane O'brien Pa-c NPPES

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

MRS. SHELLEY JANE O'BRIEN PA-C (NPI 1861453185) is an individual medical provider in Ypsilanti, Michigan, licensed in Michigan (5601002839) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1861453185
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameMRS. SHELLEY JANE O'BRIENCredential: PA-C
Location Address5301 EAST HURON RIVER DRIVE, ST. JOSEPH MERCY HOSPITALYpsilanti, MI 48106
Mailing Address714 Mill StMilford, MI 48381-2264 · (248) 684-5687
Sole ProprietorNo
Enumeration DateMarch 28, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1861453185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in MI · 5601002839
5301 EAST HURON RIVER DRIVE, Ypsilanti, MI 48106

Other Providers at the Same Location NPPES 12

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

Pharmacist
5301 EAST HURON RIVER DRIVE, ROOM #110
ANN ARBOR, MI 48106
General Acute Care Hospital
5301 EAST HURON RIVER DRIVE
ANN ARBOR, MI 48106
Nurse Practitioner (Acute Care)
5301 EAST HURON RIVER DRIVE, RADIATION ONCOLOGY
ANN ARBOR, MI 48106
Emergency Medicine
5301 EAST HURON RIVER DRIVE
ANN ARBOR, MI 48106
Physician Assistant
5301 EAST HURON RIVER DRIVE
ANN ARBOR, MI 48106
Home Infusion
5301 EAST HURON RIVER DRIVE
ANN ARBOR, MI 48106
Pathology (Anatomic Pathology & Clinical Pathology)
5301 EAST HURON RIVER DRIVE, DEPARTMENT OF PATHOLOGY
ANN ARBOR, MI 48106
Nurse Anesthetist, Certified Registered
5301 EAST HURON RIVER DRIVE
ANN ARBOR, MI 48106

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 Shelley O'brien's NPI number?

The NPI number for Shelley O'brien is 1861453185. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is Shelley O'brien located?

Shelley O'brien practices at 5301 East Huron River Drive St. Joseph Mercy Hospital, Ypsilanti, MI 48106. The listed phone number is (734) 712-2683.

What is Shelley O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Shelley O'brien was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.