Frederick J. Ast, MD

From the records

Specialty

Allergist

Records

Medicare records: allergy/immunology (October 2026).

Medicare

Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means

Medical school

Graduated 1987; school not named (Medicare records)

Registry record

Last updated July 2026

NPI

1699742288 (national provider registry)

A listing isn’t a check of a license or board certification, and it doesn’t tell you whether a doctor is taking new patients or accepts your insurance. Call the practice. How we list doctors · Checking your insurance

Is this your listing?

If you’re this doctor or work at their practice, claim the listing to add details such as languages, a website and a booking link. It’s free, and it never changes where a doctor appears in our lists.

Claim this listing How claiming works

Report a problem with this listing