Whalio Doctors

NPI 1205908639

Barry F Zeffren, MD

Practitioner Allergy & Immunology Physician Saint Louis, MO

Practice location

Address
8150 Amherst Ave, Saint Louis, MO 63130-3605
Phone
(773) 260-0964
Mailing address
4 Country Club Executive Park, Glen Carbon, IL 62034-1702

Registered specialties (2)

Allergy & Immunology Physician Primary
Allopathic & Osteopathic Physicians Taxonomy 207K00000X Licence R8A32 (MO)
Allergy & Immunology Physician
Allopathic & Osteopathic Physicians Taxonomy 207K00000X Licence 036068207 (IL)

Registry record

NPI
1205908639
Entity type
Individual
Sex (as registered)
Male
NPI issued
14 Nov 2006
Record last updated
14 Jul 2026

Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.