ELLEN MARIE DIEFENDERFER PA-C
NPI 1073909289
Physician Assistant in Columbus, OH
About Ellen Marie Diefenderfer Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN MARIE DIEFENDERFER PA-C (NPI 1073909289) is an individual physician assistant in Columbus, Ohio, licensed in Ohio (50.004326RX) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ellen Marie Diefenderfer Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohio State University State Health System
Acute Care Hospitals · Columbus, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBUS, OH 43210
COLUMBUS, OH 43210
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ellen Diefenderfer's NPI number?
The NPI number for Ellen Diefenderfer is 1073909289. It was assigned to this individual provider in the NPPES registry on April 14, 2015. The provider is also known as Ellen Marie Vanderburgh.
Where is Ellen Diefenderfer located?
Ellen Diefenderfer practices at 300 W 10th Ave Fl 2, Columbus, OH 43210. The listed phone number is (614) 293-9059.
What is Ellen Diefenderfer's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Ellen Diefenderfer enrolled in Medicare?
Yes. Ellen Diefenderfer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Ellen Diefenderfer accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and CareSource and 1 other insurer list Ellen Diefenderfer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ellen Diefenderfer affiliated with any hospitals?
According to CMS data, Ellen Diefenderfer is affiliated with Ohio State University State Health System.
When was this NPI record last updated?
The NPPES record for Ellen Diefenderfer was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
