DR. KEITH C FISCHER MD
NPI 1699869925
Nuclear Medicine in Saint Louis, MO
About Dr. Keith C Fischer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH C FISCHER MD (NPI 1699869925) is an individual nuclear medicine provider in Saint Louis, Missouri, licensed in Missouri (R7780) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Keith C Fischer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Keith Fischer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 373 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 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Keith Fischer's NPI number?
The NPI number for Keith Fischer is 1699869925. It was assigned to this individual provider in the NPPES registry on October 3, 2006.
Where is Keith Fischer located?
Keith Fischer practices at 510 S Kingshighway Blvd, Saint Louis, MO 63110. The listed phone number is (314) 362-7200.
What is Keith Fischer's specialty?
The primary specialty registered for this NPI is Nuclear Medicine with taxonomy code 207U00000X.
Is Keith Fischer enrolled in Medicare?
Yes. Keith Fischer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Keith Fischer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Fischer reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Keith Fischer'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 Keith Fischer was last updated on January 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.