JOHN D LEFF M D
NPI 1396744140
Surgery in Columbus, OH
About John D Leff M D NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN D LEFF M D (NPI 1396744140) is an individual surgery provider in Columbus, Ohio, licensed in Ohio (35073410L) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Ohio State University College Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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 D Leff 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 Leff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 9 clinicians in this Medicare group
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 3,314 clinicians in this Medicare group
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 9 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverside Methodist Hospital
Acute Care Hospitals · Columbus, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBUS, OH 43214
COLUMBUS, OH 43214
COLUMBUS, OH 43214
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 Leff's NPI number?
The NPI number for John Leff is 1396744140. It was assigned to this individual provider in the NPPES registry on July 14, 2005.
Where is John Leff located?
John Leff practices at 3545 Olentangy River Rd Suite 525, Columbus, OH 43214. The listed phone number is (614) 261-1900.
What is John Leff's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is John Leff enrolled in Medicare?
Yes. John Leff 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 Leff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Leff reassigns Medicare benefits to 3 organizations: Riverside Surgical Associates Inc (Columbus, OH), Ohiohealth Corporation (Columbus, OH) and Riverside Trauma Surgeons LLC (Columbus, OH). 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 Leff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Leff accept?
Health plans from Anthem Blue Cross and Blue Shield, MedMutual and Molina Healthcare list John Leff 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 Leff affiliated with any hospitals?
According to CMS data, John Leff is affiliated with Riverside Methodist Hospital.
When was this NPI record last updated?
The NPPES record for John Leff was last updated on April 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.