DR. CHRISTEN R MELLANO M.D.
NPI 1396980074
Orthopaedic Surgery in Torrance, CA
About Dr. Christen R Mellano M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTEN R MELLANO M.D. (NPI 1396980074) is an individual orthopaedic surgery provider in Torrance, California, licensed in California (A110932) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fountain Valley, and is a graduate of University Of Southern California Keck School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Christen R Mellano 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 Reassignments
2Medicare enrollment records show Christen Mellano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manhattan Beach, CA 90266
- Reassigned Medicare billing, California enrollment
- 39 clinicians in this Medicare group
Laguna Woods, CA 92637
- Reassigned Medicare billing, California enrollment
- 57 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 19
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 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
TORRANCE, CA 90505
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 Christen Mellano's NPI number?
The NPI number for Christen Mellano is 1396980074. It was assigned to this individual provider in the NPPES registry on December 9, 2008.
Where is Christen Mellano located?
Christen Mellano practices at 23600 Telo Ave Ste 180, Torrance, CA 90505. The listed phone number is (310) 257-1500.
What is Christen Mellano's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Christen Mellano enrolled in Medicare?
Yes. Christen Mellano 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 organizations bill Medicare for Christen Mellano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christen Mellano reassigns Medicare benefits to 2 organizations: Beach Cities Orthopedics And Sports Medicine (Manhattan Beach, CA) and Orthowest (Laguna Woods, CA). Each 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 Christen Mellano'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 Christen Mellano was last updated on November 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.