M. MARGARET O'BRIEN MD
NPI 1992750863
Pathology - Anatomic Pathology & Clinical Pathology in Mobile, AL

Q: What is M. O'brien's NPI number?

The NPI number for M. O'brien is 1992750863. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Q: What is M. O'brien's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for M. O'brien was last updated on April 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 May 22, 2006

2451 FILLINGIM ST, PATHOLOGY, MOBILE, AL 36617(251) 471-7790(251) 471-7715 Get Directions Write a Review

NPPES record last updated: April 11, 2008. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About M. Margaret O'brien Md NPPES

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

M. MARGARET O'BRIEN MD (NPI 1992750863) is an individual anatomic pathology & clinical pathology provider in Mobile, Alabama, licensed in Alabama (18834) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1992750863

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameM. MARGARET O'BRIENCredential: MD

Location Address2451 FILLINGIM ST, PATHOLOGYMobile, AL 36617-2238

Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 470-5842 · Fax (251) 470-5809

Phone(251) 471-7790

Fax(251) 471-7715

Sole ProprietorNo

Enumeration DateMay 22, 2006

Last NPPES UpdateApril 11, 2008

✔ NPI 1992750863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in AL · 18834

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

2451 FILLINGIM ST, Mobile, AL 36617

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Other Identifiers 6

Medicaid00120715MS

Other51510105AL · Blue Cross

Other51510104AL · Blue Cross

Other11-10215AL · United Health Care

Medicaid1165930LA

Medicare UPING84941

Other Providers at the Same Location NPPES 20

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

DR. ANTHONY DEVAN HOLLMAN M.D.

Radiology (Diagnostic Radiology)

2451 FILLINGIM ST
MOBILE, AL 36617

Mobile County (251) 471-7117

DR. EMILY SMITH GREZAFFI M.D.

Pediatrics

2451 FILLINGIM ST
MOBILE, AL 36617

Mobile County (251) 471-7000

SHARON FRUH CRNP

Nurse Practitioner (Family)

2451 FILLINGIM ST, 3RD FLOOR
MOBILE, AL 36617

Mobile County (251) 471-7944

FREDERICK M. SILVER MD

Otolaryngology (Plastic Surgery within the Head & Neck)

2451 FILLINGIM ST, MASTIN 101
MOBILE, AL 36617

Mobile County (251) 445-8282

JOHN ADAM SELF CRNA

Nurse Anesthetist, Certified Registered

2451 FILLINGIM ST, ROOM 335
MOBILE, AL 36617

Mobile County (251) 471-7045

JOHN P. BRANNAN JR. MD

Radiology (Diagnostic Radiology)

2451 FILLINGIM ST
MOBILE, AL 36617

Mobile County (251) 471-7150

BASSAM A. OMAR MD

Internal Medicine (Cardiovascular Disease)

2451 FILLINGIM ST, BLDG. C
MOBILE, AL 36617

Mobile County (251) 445-8242

PAUL RICHARD BILLEAUD

Radiology (Diagnostic Radiology)

2451 FILLINGIM ST, MASTIN 315
MOBILE, AL 36617

Mobile County (251) 471-7866

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 M. O'brien's NPI number?

The NPI number for M. O'brien is 1992750863. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Where is M. O'brien located?

M. O'brien practices at 2451 Fillingim St Pathology, Mobile, AL 36617. The listed phone number is (251) 471-7790.

What is M. O'brien's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for M. O'brien was last updated on April 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.