What is M. O'Brien's NPI number?

M. O'Brien's National Provider Identifier (NPI) is 1992750863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is M. O'Brien's specialty?

M. O'Brien is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).

Where is M. O'Brien located?

M. O'Brien's practice location on file with NPPES is 2451 Fillingim St, Mobile, AL 36617-2238.

What is M. O'Brien's phone number?

The practice phone number listed in the NPPES registry for M. O'Brien is (251) 471-7790.

Is M. O'Brien's NPI active?

Yes — M. O'Brien's NPI (1992750863) is active in the NPPES registry as of the last update on 2008-04-11.

IndividualActive

M. O'Brien, MD

NPI 1992750863 · Anatomic Pathology & Clinical Pathology Physician · Mobile, AL

M. O'Brien, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Mobile, AL (NPI 1992750863).

Provider details

NPI number: 1992750863
Entity type: Individual
Primary specialty: Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 18834 (AL)

Practice location

2451 Fillingim St

Pathology

Mobile, AL 36617-2238

Phone: (251) 471-7790

Fax: (251) 471-7715

Approximate (ZIP-level) locationGet directions

More AL providers

Mailing address

Po Box 40480

Mobile, AL 36640-0480

Specialties & taxonomies

Anatomic Pathology & Clinical Pathology PhysicianPrimary207ZP0102XLicense 18834 (AL)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2006-05-22
Last updated: 2008-04-11

Frequently asked questions

What is M. O'Brien's NPI number?: M. O'Brien's National Provider Identifier (NPI) is 1992750863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is M. O'Brien's specialty?: M. O'Brien is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
Where is M. O'Brien located?: M. O'Brien's practice location on file with NPPES is 2451 Fillingim St, Mobile, AL 36617-2238.
What is M. O'Brien's phone number?: The practice phone number listed in the NPPES registry for M. O'Brien is (251) 471-7790.
Is M. O'Brien's NPI active?: Yes — M. O'Brien's NPI (1992750863) is active in the NPPES registry as of the last update on 2008-04-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions