JOHN SUNDERSON M.D.
NPI 1144257692
Obstetrics & Gynecology in Redondo Beach, CA
About John Sunderson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN SUNDERSON M.D. (NPI 1144257692) is an individual obstetrics & gynecology provider in Redondo Beach, California, licensed in California (A042066) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
John Sunderson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Sunderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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 90277 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDONDO BEACH, CA 90277
REDONDO BEACH, CA 90277
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 John Sunderson's NPI number?
The NPI number for John Sunderson is 1144257692. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is John Sunderson located?
John Sunderson practices at 601 Torrance Blvd, Redondo Beach, CA 90277. The listed phone number is (310) 792-8317.
What is John Sunderson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Sunderson enrolled in Medicare?
Yes. John Sunderson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Sunderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sunderson reassigns Medicare benefits to Healthcare Partners Affiliates 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 John Sunderson'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 John Sunderson was last updated on November 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# John Sunderson, M.D. · NPI 1144257692
Obstetrics & Gynecology physician in Redondo Beach, California. Individual provider, active in the CMS NPPES registry since June 27, 2006.
## Identity
- **NPI:** 1144257692 (Entity type: Individual)
- **Enumerated:** June 27, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A042066 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 TORRANCE BLVD, Redondo Beach, CA 90277-3416
- **Phone:** (310) 792-8317
## 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:** Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 5, 2012
- **Other identifiers:** Medicare UPIN E02525 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1144257692) · Data from the CMS NPPES public registry.