DR. JOHN DIAKIW MD
NPI 1245208081
Internal Medicine in Scranton, PA
About Dr. John Diakiw Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN DIAKIW MD (NPI 1245208081) is an individual internal medicine provider in Scranton, Pennsylvania, licensed in Pennsylvania (MD023799E) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Geisinger-community Medical Center, and is a graduate of Medical College Of Pennsylvania (1979).
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
Dr. John Diakiw Md 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 Diakiw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scranton, PA 18510
- Reassigned Medicare billing, Pennsylvania enrollment
- 124 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geisinger-Community Medical Center
Acute Care Hospitals · Scranton, PAWayne Memorial Hospital
Acute Care Hospitals · Honesdale, PAWilkes-Barre General Hospital
Acute Care Hospitals · Wilkes-Barre, PARegional Hospital Of Scranton
Acute Care Hospitals · Scranton, PAGeisinger Wyoming Valley Medical Center
Acute Care Hospitals · Wilkes Barre, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18510 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 6
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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCRANTON, PA 18510
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 Diakiw's NPI number?
The NPI number for John Diakiw is 1245208081. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is John Diakiw located?
John Diakiw practices at 748 Quincy Ave Suite 1A, Scranton, PA 18510. The listed phone number is (570) 347-9600.
What is John Diakiw's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Diakiw enrolled in Medicare?
Yes. John Diakiw 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 Diakiw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Diakiw reassigns Medicare benefits to Scranton Quincy Clinic Company LLC (Scranton, PA). 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 Diakiw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Diakiw accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list John Diakiw 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 Diakiw affiliated with any hospitals?
According to CMS data, John Diakiw is affiliated with Geisinger-Community Medical Center, Wayne Memorial Hospital, Wilkes-Barre General Hospital, Regional Hospital Of Scranton and Geisinger Wyoming Valley Medical Center.
When was this NPI record last updated?
The NPPES record for John Diakiw was last updated on October 19, 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.