DR. DAVID BRIAN GUNN MD
NPI 1215163035
Family Medicine in Westlake Village, CA
About Dr. David Brian Gunn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID BRIAN GUNN MD (NPI 1215163035) is an individual family medicine provider in Westlake Village, California, licensed in California (A123461) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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. David Brian Gunn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show David Gunn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redding, CA 96002
- Reassigned Medicare billing, California enrollment
- 144 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTLAKE VILLAGE, CA 91361
WESTLAKE VILLAGE, CA 91361
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 David Gunn's NPI number?
The NPI number for David Gunn is 1215163035. It was assigned to this individual provider in the NPPES registry on June 8, 2009.
Where is David Gunn located?
David Gunn practices at 2829 Townsgate Rd Ste 100, Westlake Village, CA 91361. The listed phone number is (424) 422-0324.
What is David Gunn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is David Gunn enrolled in Medicare?
Yes. David Gunn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for David Gunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Gunn reassigns Medicare benefits to Shasta Community Health Center (Redding, CA). 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 David Gunn'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 David Gunn was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.