DR. ENRIQUE LEONARDO OSTRZEGA M.D.
NPI 1053359232
Internal Medicine - Cardiovascular Disease in Los Angeles, CA
About Dr. Enrique Leonardo Ostrzega M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ENRIQUE LEONARDO OSTRZEGA M.D. (NPI 1053359232) is an individual cardiovascular disease provider in Los Angeles, California, licensed in California (A50472) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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
Dr. Enrique Leonardo Ostrzega M.d. 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 Enrique Ostrzega 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
- 2,445 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 5
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 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
LOS ANGELES, CA 90033
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 Enrique Ostrzega's NPI number?
The NPI number for Enrique Ostrzega is 1053359232. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Enrique Ostrzega located?
Enrique Ostrzega practices at 1520 San Pablo St Suite 1000, Los Angeles, CA 90033. The listed phone number is (626) 457-5839.
What is Enrique Ostrzega's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Enrique Ostrzega enrolled in Medicare?
Yes. Enrique Ostrzega 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 Enrique Ostrzega's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Enrique Ostrzega reassigns Medicare benefits to Usc Care Medical Group, Inc (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 Enrique Ostrzega'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 Enrique Ostrzega was last updated on April 14, 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. Enrique Leonardo Ostrzega, M.D. · NPI 1053359232
Cardiovascular Disease physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1053359232 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** A50472 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 SAN PABLO ST, SUITE 1000, Los Angeles, CA 90033-5310
- **Phone:** (626) 457-5839
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1973
## Record status
- **NPPES last updated:** April 14, 2008
- **Other identifiers:** Other 1356390009 (CA); Other CE1617 (CA); Other W11675 (CA); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1053359232) · Data from the CMS NPPES public registry.