Karen L. Tan, MD
Listed as an ENT doctor who lists otolaryngic allergy, with a practice address in Amsterdam, New York.
Practice location 1
5010 State Hwy 30, Suite 204
Amsterdam, NY 12010
From the records
- Specialty
- ENT doctor (otolaryngic allergy)
- Records
- Medicare records: Otolaryngology (October 2026). Allergy specialty from the national provider registry.
- Medicare
- May accept 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
- Albany Medical College of Union University, graduated 1989 (Medicare records)
- Registry record
- Last updated February 2013
- NPI
- 1427129071 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors