DR. CHARLES PETER TSOUVALAS MD
NPI 1184251357
Hospitalist in Los Angeles, CA
About Dr. Charles Peter Tsouvalas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES PETER TSOUVALAS MD (NPI 1184251357) is an individual hospitalist provider in Los Angeles, California, licensed in California (A191728) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Charles Peter Tsouvalas 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 Charles Tsouvalas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- 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 90027 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 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Charles Tsouvalas's NPI number?
The NPI number for Charles Tsouvalas is 1184251357. It was assigned to this individual provider in the NPPES registry on March 26, 2020. The provider is also known as Dr. Charlie Peter Tsouvalas MD.
Where is Charles Tsouvalas located?
Charles Tsouvalas practices at 4733 W Sunset Blvd Fl 3, Los Angeles, CA 90027. The listed phone number is (227) 574-2273.
What is Charles Tsouvalas's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Charles Tsouvalas enrolled in Medicare?
Yes. Charles Tsouvalas 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 Charles Tsouvalas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Tsouvalas reassigns Medicare benefits to Southern California Permanente Medical Group (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 Charles Tsouvalas'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 Charles Tsouvalas was last updated on February 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Charles Peter Tsouvalas, MD · NPI 1184251357
Hospitalist physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1184251357 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A191728 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4733 W SUNSET BLVD FL 3, Los Angeles, CA 90027-6021
- **Phone:** (227) 574-2273
## 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:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** February 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1184251357) · Data from the CMS NPPES public registry.