DIETER W AFFELN MD
NPI 1346234382
Preventive Medicine - Occupational Medicine in Rochester, NY
About Dieter W Affeln Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIETER W AFFELN MD (NPI 1346234382) is an individual occupational medicine provider in Rochester, New York, licensed in New York (303227) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dieter W Affeln Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Dieter Affeln reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 clinicians in this Medicare group
Batavia, NY 14020
- Reassigned Medicare billing, New York enrollment
- 782 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14621 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.
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 Dieter Affeln's NPI number?
The NPI number for Dieter Affeln is 1346234382. It was assigned to this individual provider in the NPPES registry on September 6, 2005.
Where is Dieter Affeln located?
Dieter Affeln practices at 1425 Portland Ave, Rochester, NY 14621. The listed phone number is (585) 922-4173.
What is Dieter Affeln's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.
Is Dieter Affeln enrolled in Medicare?
Yes. Dieter Affeln is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dieter Affeln's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dieter Affeln reassigns Medicare benefits to 3 organizations: Rochester General Hospital (Rochester, NY), Clifton Springs Sanitarium Co (Clifton Springs, NY) and United Memorial Medical Center (Batavia, 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 Dieter Affeln's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dieter Affeln was last updated on April 15, 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.