Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ellen Marie Diefenderfer, PA-C

Individual provider Physician Assistant · NPI 1073909289

Ellen Marie Diefenderfer, PA-C is a Physician Assistant in Columbus, Ohio. Qualified in 2014, 12 years ago. Practices with Osu Surgery, LLC, a 204-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
12
Licensed in
OH
In the registry since
2015
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

300 W 10th Ave Fl 2
Columbus, OH 43210-1280
Phone: (614) 293-9059
Fax: (614) 293-0201
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 50.004326RX (OH)

Record details

NPI number1073909289
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedApril 14, 2015
Last updated in NPPESMay 19, 2026
Certification dateMay 19, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Osu Surgery, Llc — 204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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