DR. RALPH HERMES M.D.
NPI 1669032769
Family Medicine in Hinsdale, IL
About Dr. Ralph Hermes M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RALPH HERMES M.D. (NPI 1669032769) is an individual family medicine provider in Hinsdale, Illinois, licensed in Illinois (036162218) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
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. Ralph Hermes 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
2Medicare enrollment records show Ralph Hermes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westmont, IL 60559
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Elmhurst Memorial Hospital
Acute Care Hospitals · Elmhurst, ILEdward Hospital
Acute Care Hospitals · Naperville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60521 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.
Other Providers at the Same Location NPPES
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 Ralph Hermes's NPI number?
The NPI number for Ralph Hermes is 1669032769. It was assigned to this individual provider in the NPPES registry on June 19, 2019.
Where is Ralph Hermes located?
Ralph Hermes practices at 8 Salt Creek Ln Ste 301, Hinsdale, IL 60521. The listed phone number is (331) 221-2550.
What is Ralph Hermes's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ralph Hermes enrolled in Medicare?
Yes. Ralph Hermes 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 Ralph Hermes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Hermes reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Westmont, IL) and Endeavor Health Medical Group (Evanston, IL). 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 Ralph Hermes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Hermes accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Ralph Hermes 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 Ralph Hermes affiliated with any hospitals?
According to CMS data, Ralph Hermes is affiliated with Elmhurst Memorial Hospital and Edward Hospital.
When was this NPI record last updated?
The NPPES record for Ralph Hermes was last updated on February 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.