OrganizationActive
Davis, Wright, Berdy, & Suffian, PC
NPI 1154506020 · Allergy & Immunology Physician · Alton, IL
Provider details
- NPI number
- 1154506020
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ray Davis, President(314) 569-1881
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
4325 Alby St
Suite 101
Alton, IL 62002-5914
Phone: (618) 465-9753
Fax: (314) 569-3277
Street-level locationGet directions
Mailing address
456 N New Ballas Rd
Saint Louis, MO 63141-6831
Other names (DBA / former)
- Doing business as
- Allergy Consultants
Registry dates
- Enumerated
- 2008-01-09
- Last updated
- 2015-05-11
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.