DR. ERIK J DIRINGER D.O.
NPI 1376799783
Internal Medicine - Critical Care Medicine in Pittsburgh, PA
About Dr. Erik J Diringer D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIK J DIRINGER D.O. (NPI 1376799783) is an individual critical care medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OS016055) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Kenmore Mercy Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2007).
NPPES Registry Identity
Specialties & Licenses
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. Erik J Diringer D.o. 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
4Medicare enrollment records show Erik Diringer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- 499 clinicians in this Medicare group
Buffalo, NY 14214
- Reassigned Medicare billing, New York enrollment
- 515 clinicians in this Medicare group
Kenmore, NY 14217
- Reassigned Medicare billing, New York enrollment
- 271 clinicians in this Medicare group
Lewiston, NY 14092
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
- 289 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kenmore Mercy Hospital
Acute Care Hospitals · Kenmore, NYMount St. Mary's Hospital & Health Center
Acute Care Hospitals · Lewiston, NYMercy Hospital Of Buffalo
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PITTSBURGH, PA 15215
PITTSBURGH, PA 15215
PITTSBURGH, PA 15215
PITTSBURGH, PA 15215
PITTSBURGH, PA 15215
PITTSBURGH, PA 15215
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 Erik Diringer's NPI number?
The NPI number for Erik Diringer is 1376799783. It was assigned to this individual provider in the NPPES registry on August 18, 2008.
Where is Erik Diringer located?
Erik Diringer practices at 200 Delafield Rd Suite 2040, Pittsburgh, PA 15215. The listed phone number is (412) 784-5888.
What is Erik Diringer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Erik Diringer enrolled in Medicare?
Yes. Erik Diringer 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 Erik Diringer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Diringer reassigns Medicare benefits to 4 organizations: Mercy Hospital Of Buffalo (Buffalo, NY), Sisters Of Charity Hospital Of Buffalo, New York (Buffalo, NY), Kenmore Mercy Hospital (Kenmore, NY) and Mount St. Mary's Hospital Of Niagara Falls (Lewiston, NY). 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 Erik Diringer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erik Diringer affiliated with any hospitals?
According to CMS data, Erik Diringer is affiliated with Kenmore Mercy Hospital, Mount St. Mary's Hospital & Health Center and Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Erik Diringer was last updated on July 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.