DR. PAUL GRANT KOSS MD
NPI 1194701029
Internal Medicine in Tucson, AZ
About Dr. Paul Grant Koss Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL GRANT KOSS MD (NPI 1194701029) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (17153) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Paul Grant Koss Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Paul Koss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tucson, AZ 85704
- Reassigned Medicare billing, Arizona enrollment
- 296 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 85704 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
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 Paul Koss's NPI number?
The NPI number for Paul Koss is 1194701029. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Paul Koss located?
Paul Koss practices at 7885 N Oracle Rd, Tucson, AZ 85704. The listed phone number is (520) 202-1585.
What is Paul Koss's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Paul Koss enrolled in Medicare?
Yes. Paul Koss is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Paul Koss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Koss reassigns Medicare benefits to Northwest Allied Physicians LLC (Tucson, AZ). 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 Paul Koss'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 Paul Koss was last updated on November 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.