Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Davis, Wright, Berdy, & Suffian, PC

Organization Allergy & Immunology Physician · NPI 1154506020

Davis, Wright, Berdy, & Suffian, PC is an Allergy & Immunology Physician in Alton, Illinois. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

4325 Alby St Ste 101
Alton, IL 62002-5914
Phone: (618) 465-9753
Fax: (314) 569-3277
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X

Record details

NPI number1154506020
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ray Davis — President · (314) 569-1881
Other names Allergy Consultants
NPI enumeratedJanuary 9, 2008
Last updated in NPPESMay 11, 2015
Mailing address456 N New Ballas Rd, Suite 129, Saint Louis, MO 63141-6831