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)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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.
Practice location
Mailing address
Registry dates
- 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.