David Hagaman, 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

Telehealth

Medicare’s file shows recent telehealth visits. It doesn’t mean every visit can be by video.

Medical school

Ohio State University College of Medicine, graduated 1987 (Medicare records)

Registry record

Last updated March 2022

NPI

1235221656 (national provider registry)

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