DR. CYNTHIA SUE HERRINGTON M.D.
NPI 1770517245
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Los Angeles, CA
About Dr. Cynthia Sue Herrington M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CYNTHIA SUE HERRINGTON M.D. (NPI 1770517245) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Los Angeles, California, licensed in California (G84606) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Cynthia Sue Herrington M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cynthia Herrington 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.
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
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 Cynthia Herrington's NPI number?
The NPI number for Cynthia Herrington is 1770517245. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Cynthia Herrington located?
Cynthia Herrington practices at 4650 W Sunset Blvd Ms # 66, Los Angeles, CA 90027. The listed phone number is (323) 442-6793.
What is Cynthia Herrington's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Cynthia Herrington enrolled in Medicare?
Yes. Cynthia Herrington is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cynthia Herrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Herrington 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 Cynthia Herrington'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 Cynthia Herrington was last updated on August 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Cynthia Sue Herrington, M.D. · NPI 1770517245
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1770517245 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** G84606 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, MS # 66, Los Angeles, CA 90027-6062
- **Phone:** (323) 442-6793
## 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:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 30, 2017
- **Other identifiers:** Medicare UPIN H00463 (MN); Medicare PIN AP503Y (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1770517245) · Data from the CMS NPPES public registry.