IndividualActive
John Gavencak, MD
NPI 1821089392 · Allergy Physician · East Rockaway, NY
Provider details
- NPI number
- 1821089392
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 124874 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Practice location
400 Atlantic Ave
East Rockaway, NY 11518-1433
Phone: (516) 599-2732
Fax: (516) 593-2075
Approximate (ZIP-level) locationGet directions
Mailing address
400 Atlantic Ave
East Rockaway, NY 11518-1433
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.