DR. MICHAEL AARON DIETZ M.D.
NPI 1942591870
Internal Medicine in Cincinnati, OH
About Dr. Michael Aaron Dietz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL AARON DIETZ M.D. (NPI 1942591870) is an individual internal medicine provider in Cincinnati, Ohio, licensed in Ohio (57.019351) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Penn Highlands Mon Valley, and is a graduate of Tulane University School Of Medicine (2011).
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. Michael Aaron Dietz 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
4Medicare enrollment records show Michael Dietz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Monongahela, PA 15063
- Reassigned Medicare billing, Pennsylvania enrollment
- 29 clinicians in this Medicare group
Monongahela, PA 15063
- Reassigned Medicare billing, Pennsylvania enrollment
- 59 clinicians in this Medicare group
Connellsville, PA 15425
- Reassigned Medicare billing, Pennsylvania enrollment
- 155 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Penn Highlands Mon Valley
Acute Care Hospitals · Monongahela, PAPenn Highlands Connellsville
Acute Care Hospitals · Connellsville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45219 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 2
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.
CINCINNATI, OH 45219
CINCINNATI, OH 45219
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 Michael Dietz's NPI number?
The NPI number for Michael Dietz is 1942591870. It was assigned to this individual provider in the NPPES registry on April 26, 2011.
Where is Michael Dietz located?
Michael Dietz practices at 234 Goodman St, Cincinnati, OH 45219. The listed phone number is (513) 584-4505.
What is Michael Dietz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Dietz enrolled in Medicare?
Yes. Michael Dietz 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 Michael Dietz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Dietz reassigns Medicare benefits to 4 organizations: University Of Pittsburgh Physicians (East Liverpool, OH), Monongahela Valley Hospital, Inc. (Monongahela, PA), Mon Vale Clinical Professionals, Inc. (Monongahela, PA) and Highlands Hospital And Health Center (Connellsville, PA). 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 Michael Dietz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Dietz affiliated with any hospitals?
According to CMS data, Michael Dietz is affiliated with Penn Highlands Mon Valley and Penn Highlands Connellsville.
When was this NPI record last updated?
The NPPES record for Michael Dietz was last updated on August 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.