JOHN M O'BRIEN MD
NPI 1639268584
Family Medicine in Chelsea, MI

Active since October 11, 2006
14700 EAST OLD US 12, CHELSEA, MI 48118(734) 475-1321 Get Directions Write a Review

NPPES record last updated: March 27, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John M O'brien Md NPPES

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

JOHN M O'BRIEN MD (NPI 1639268584) is an individual family medicine provider in Chelsea, Michigan, licensed in Michigan (4301043586) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1639268584
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJOHN M O'BRIENCredential: MD
Location Address14700 EAST OLD US 12Chelsea, MI 48118-1185
Mailing Address3621 S State St, 700 Kms PlaceAnn Arbor, MI 48108 · (734) 936-2047
Sole ProprietorNo
Enumeration DateOctober 11, 2006
Last NPPES UpdateMarch 27, 2012
NPI 1639268584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MI · 4301043586
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedFamily Medicine · Adolescent MedicineTaxonomy 207QA0000X · License 4301043586 (MI)
14700 EAST OLD US 12, Chelsea, MI 48118

Other Identifiers 3

Medicare UPINA79217MI
Medicaid1396951MI
Medicare ID-Type Unspecified0H17630009MI

Other Providers at the Same Location NPPES 17

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

Physician Assistant
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118
Nurse Practitioner (Family)
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118
Family Medicine
14700 EAST OLD US 12
CHELSEA, MI 48118

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 John O'brien's NPI number?

The NPI number for John O'brien is 1639268584. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is John O'brien located?

John O'brien practices at 14700 East Old Us 12, Chelsea, MI 48118. The listed phone number is (734) 475-1321.

What is John O'brien's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for John O'brien was last updated on March 27, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.