CHARLES RICHARD KOSSMAN M.D.
NPI 1184799892
Internal Medicine - Hematology & Oncology in San Diego, CA
About Charles Richard Kossman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES RICHARD KOSSMAN M.D. (NPI 1184799892) is an individual hematology & oncology provider in San Diego, California, licensed in California (G28857) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Charles Richard Kossman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Charles Kossman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 15 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 92120 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.
SAN DIEGO, CA 92120
SAN DIEGO, CA 92120
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 Charles Kossman's NPI number?
The NPI number for Charles Kossman is 1184799892. It was assigned to this individual provider in the NPPES registry on November 21, 2006.
Where is Charles Kossman located?
Charles Kossman practices at 5555 Reservoir Dr Suite 306, San Diego, CA 92120. The listed phone number is (619) 287-9910.
What is Charles Kossman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Charles Kossman enrolled in Medicare?
Yes. Charles Kossman is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Charles Kossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Kossman reassigns Medicare benefits to 2 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA) and Medical Oncology Associates Of San Diego A Medical Group Inc (San Diego, CA). 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 Charles Kossman'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 Charles Kossman was last updated on November 8, 2012. 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.