DOUGLAS S. FEINSTEIN MD
NPI 1407904394
Anesthesiology in San Diego, CA
About Douglas S. Feinstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS S. FEINSTEIN MD (NPI 1407904394) is an individual anesthesiology provider in San Diego, California, licensed in California (A72382) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of South Alabama College Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
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
Douglas S. Feinstein 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 Douglas Feinstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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.
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
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 Douglas Feinstein's NPI number?
The NPI number for Douglas Feinstein is 1407904394. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Douglas Feinstein located?
Douglas Feinstein practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.
What is Douglas Feinstein's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Douglas Feinstein enrolled in Medicare?
Yes. Douglas Feinstein 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 Douglas Feinstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Feinstein reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Douglas Feinstein'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 Douglas Feinstein was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.