ERWIN GUZMAN MD
NPI 1013065002
Family Medicine in San Diego, CA
About Erwin Guzman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERWIN GUZMAN MD (NPI 1013065002) is an individual family medicine provider in San Diego, California, licensed in California (A70779) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Un Of California, Irvine, 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
Erwin Guzman 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 Erwin Guzman 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.
Areas of Expertise CMS Part B claims
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 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
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 Erwin Guzman's NPI number?
The NPI number for Erwin Guzman is 1013065002. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Erwin Guzman located?
Erwin Guzman practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.
What is Erwin Guzman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Erwin Guzman enrolled in Medicare?
Yes. Erwin Guzman 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 Erwin Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erwin Guzman 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 Erwin Guzman'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 Erwin Guzman was last updated on December 3, 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.