DR. JAMES D KELLER MD
NPI 1639107360
Obstetrics & Gynecology - Maternal & Fetal Medicine in Park Ridge, IL
About Dr. James D Keller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES D KELLER MD (NPI 1639107360) is an individual maternal & fetal medicine provider in Park Ridge, Illinois, licensed in Illinois (036076967) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Michigan College Of Medicine And Surgery (1984).
NPPES Registry Identity
Specialties & Licenses
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. James D Keller 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 James Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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 60068 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.
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 James Keller's NPI number?
The NPI number for James Keller is 1639107360. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is James Keller located?
James Keller practices at 1875 Dempster St Suite 325, Park Ridge, IL 60068. The listed phone number is (847) 723-8610.
What is James Keller's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is James Keller enrolled in Medicare?
Yes. James Keller 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 James Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Keller reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). 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 James Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Keller accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list James Keller 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.
When was this NPI record last updated?
The NPPES record for James Keller was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.