DR. JOHN FRANCIS RIORDAN M.D.
NPI 1033381108
Urology in Martinsburg, WV
About Dr. John Francis Riordan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN FRANCIS RIORDAN M.D. (NPI 1033381108) is an individual urology provider in Martinsburg, West Virginia, licensed in West Virginia (25963) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. John Francis Riordan 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 Reassignments
3Medicare enrollment records show John Riordan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- 231 clinicians in this Medicare group
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- 208 clinicians in this Medicare group
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- Medicare enrollment name: West Virginia University Medical Corporation
- 2,471 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 9
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Medical Center
Acute Care Hospitals · Winchester, VABerkeley Medical Center
Acute Care Hospitals · Martinsburg, WVValley Health War Memorial Hospital
Critical Access Hospitals · Berkeley Springs, WVJefferson Medical Center
Critical Access Hospitals · Ranson, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 25401 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 5
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARTINSBURG, WV 25401
MARTINSBURG, WV 25401
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 Riordan's NPI number?
The NPI number for John Riordan is 1033381108. It was assigned to this individual provider in the NPPES registry on March 29, 2008.
Where is John Riordan located?
John Riordan practices at 880 N Tennessee Ave Ste 105, Martinsburg, WV 25401. The listed phone number is (304) 596-5757.
What is John Riordan's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is John Riordan enrolled in Medicare?
Yes. John Riordan 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 organizations bill Medicare for John Riordan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Riordan reassigns Medicare benefits to 3 organizations: City Hospital Inc (Martinsburg, WV), University Healthcare Physicians Inc (Martinsburg, WV) and University Hematology And Oncology (Martinsburg, WV). Each 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 Riordan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Riordan accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Highmark Blue Cross Blue Shield West Virginia list John Riordan 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 Riordan affiliated with any hospitals?
According to CMS data, John Riordan is affiliated with Winchester Medical Center, Berkeley Medical Center, Valley Health War Memorial Hospital and Jefferson Medical Center.
When was this NPI record last updated?
The NPPES record for John Riordan was last updated on April 7, 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.
# Dr. John Francis Riordan, M.D. · NPI 1033381108
Urology physician in Martinsburg, West Virginia. Individual provider, active in the CMS NPPES registry since March 29, 2008.
## Identity
- **NPI:** 1033381108 (Entity type: Individual)
- **Enumerated:** March 29, 2008
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 25963 (West Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 880 N TENNESSEE AVE STE 105, Martinsburg, WV 25401-9401
- **Phone:** (304) 596-5757 · **Fax:** (304) 596-5758
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): City Hospital Inc (NPI 1942503164, Martinsburg, WV); University Healthcare Physicians Inc (NPI 1417371329, Martinsburg, WV); University Hematology And Oncology (NPI 1306125612, Martinsburg, WV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** April 7, 2022
- **Other identifiers:** Other 1033381108 (MO); Medicaid 3810027652 (WV); Other E26000017 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1033381108) · Data from the CMS NPPES public registry.