JOHN V ONESTINGHEL III M.D.
NPI 1154379220
Internal Medicine in Parkersburg, WV
About John V Onestinghel Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN V ONESTINGHEL III M.D. (NPI 1154379220) is an individual internal medicine provider in Parkersburg, West Virginia, licensed in West Virginia (17664) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Camden Clark Medical Center, and is a graduate of West Virginia University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John V Onestinghel Iii M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show John Onestinghel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Parkersburg, WV 26101
- Reassigned Medicare billing, West Virginia enrollment
- 461 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
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.
Camden Clark Medical Center
Acute Care Hospitals · Parkersburg, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 26101 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PARKERSBURG, WV 26101
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 John Onestinghel's NPI number?
The NPI number for John Onestinghel is 1154379220. It was assigned to this individual provider in the NPPES registry on May 4, 2006.
Where is John Onestinghel located?
John Onestinghel practices at 1907 Ann St, Parkersburg, WV 26101. The listed phone number is (304) 424-4205.
What is John Onestinghel's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Onestinghel enrolled in Medicare?
Yes. John Onestinghel 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.
Which organization bills Medicare for John Onestinghel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Onestinghel reassigns Medicare benefits to Camden-Clark Physician Corporation (Parkersburg, WV). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Onestinghel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Onestinghel accept?
Health plans from CareSource and Molina Healthcare list John Onestinghel 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 John Onestinghel affiliated with any hospitals?
According to CMS data, John Onestinghel is affiliated with Camden Clark Medical Center.
When was this NPI record last updated?
The NPPES record for John Onestinghel was last updated on April 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.