Quick answers
- Does Christen R. Mellano accept Medicare assignment?
- Yes. Medicare's clinician data says Christen R. Mellano accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Christen R. Mellano see?
- In 2024, CMS data shows 402 Original Medicare patients and 2,641 services for Christen R. Mellano. This counts Original Medicare only and measures volume, not quality.
- What is Christen R. Mellano's NPI number?
- 1396980074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Christen R. Mellano, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 402 |
|---|---|
| Services billed to Medicare | 2,641 |
| Different services or procedures | 77 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)374 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)320 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)259 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)252 services
- 3d radiographic procedure with computerized image postprocessing (76377)86 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Arthritis75%
- High blood pressure66%
- Ischemic heart disease22%
- Diabetes19%
- Chronic kidney disease19%
Hospitals where Christen R. Mellano works
Medicare's Facility Affiliation Data lists Christen R. Mellano at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050351
Practice locations
Addresses where Christen R. Mellano is enrolled with Medicare (CMS data updated October 2, 2026).
- 1520 San Pablo StLos Angeles, CA 90033 (800) 872‑2273
- 1520 San Pablo St, Fl 4Los Angeles, CA 90033 (800) 872‑2273
- 1520 San Pablo St 1st Floor NLos Angeles, CA 90033 (800) 872‑2273
- 2990 Lomita Blvd, Suite BTorrance, CA 90505 (310) 546‑3461
- 400 S Sepulveda Blvd, Suite 200Manhattan Beach, CA 90266 (310) 546‑3461
Group practices
Medicare enrollment lists Christen R. Mellano as a member of these groups (CMS data updated October 2, 2026).
- USC Care Medical Group Inc1,380 clinicians in the group
- Beach Cities Orthopedics and Sports Medicine33 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Sports Medicinealso
Other orthopedic surgeons in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in USC Care Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396980074 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians