Erich Mertensmeyer, DO
Listed as an ENT doctor who lists otolaryngic allergy, with 3 practice addresses in Joplin, Lebanon, and Springfield, Missouri.
Practice locations 3
Mercy Clinic Joplin LLC
100 Mercy Way, 560 Mercy Clinic ENT
Joplin, MO 64804Mercy Clinic Springfield Communities
120 Hospital Dr, Suite 250
Lebanon, MO 65536Mercy Clinic Springfield Communities
1229 E Seminole St
Springfield, MO 65804
From the records
- Specialty
- ENT doctor (otolaryngic allergy)
- Records
- Medicare records: Otolaryngology (October 2026). Allergy specialty from the national provider registry.
- 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
- At Still University of Health Sciences, College of Osteo Med, Kirksville, graduated 2002 (Medicare records)
- Registry record
- Last updated September 2019
- NPI
- 1396861498 (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