Individual Healthcare Provider
William Larry Davidson, MD
Provider's NPPES record last updated: June 28, 2019
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1578583191
- Primary Specialty
- Allergy & Immunology
- Practice Location
- Daphne, Alabama
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 11:40 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Allergy & Immunology
Allopathic & Osteopathic Physicians
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Taxonomy code 207K00000X Internal Medicine
Allergy & Immunology
Allopathic & Osteopathic Physicians
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
Taxonomy code 207RA0201X
Provider-Reported License Information
- Allergy & Immunology (Alabama)
- 27233
- Internal Medicine (Alabama)
- 27233
Practice Locations
Practice Location
8725 County Road 64
Daphne, Alabama 36526
Phone: (251) 625-1370
Additional Practice Location
2001 Spring Hill Ave
Mobile, Alabama 36607-3326
Phone: (251) 433-3344
Fax: (251) 433-4052
Additional Practice Location
5955 Airport Blvd
Mobile, Alabama 36608-3135
Phone: (251) 633-0573
Fax: (251) 633-7367
Additional Practice Location
100 Memorial Hospital Dr Ste 1a
Mobile, Alabama 36608-1128
Phone: (251) 343-6848
Fax: (251) 343-5708
Record Information
- Enumeration Date
- July 19, 2006
- Provider's NPPES Record Last Updated
- June 28, 2019
- NPISignal NPPES Dataset
- August 2026
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