DR. ERNIE GUZMAN M.D.
NPI 1811924491
Pediatrics in Los Angeles, CA
About Dr. Ernie Guzman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERNIE GUZMAN M.D. (NPI 1811924491) is an individual pediatrics provider in Los Angeles, California, licensed in California (G61703) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ernie Guzman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ernie Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 32 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 90033 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Ernie Guzman's NPI number?
The NPI number for Ernie Guzman is 1811924491. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is Ernie Guzman located?
Ernie Guzman practices at 1701 E Cesar E Chavez Ave Suite 456, Los Angeles, CA 90033. The listed phone number is (323) 987-1200.
What is Ernie Guzman's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ernie Guzman enrolled in Medicare?
Yes. Ernie Guzman is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ernie Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernie Guzman reassigns Medicare benefits to White Memorial Community Health Center (Los Angeles, 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 Ernie 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 Ernie Guzman was last updated on March 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Ernie Guzman, M.D. · NPI 1811924491
Pediatrics physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 27, 2006.
## Identity
- **NPI:** 1811924491 (Entity type: Individual)
- **Enumerated:** June 27, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** G61703 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 E CESAR E CHAVEZ AVE, SUITE 456, Los Angeles, CA 90033-2464
- **Phone:** (323) 987-1200 · **Fax:** (323) 987-1212
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** White Memorial Community Health Center (NPI 1083003321, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 19, 2008
- **Other identifiers:** Medicare UPIN F11506 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1811924491) · Data from the CMS NPPES public registry.