Quick answers
- Does Erin M. Mellano accept Medicare assignment?
- Yes. Medicare's clinician data says Erin M. 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 Erin M. Mellano see?
- In 2024, CMS data shows 659 Original Medicare patients and 6,330 services for Erin M. Mellano. This counts Original Medicare only and measures volume, not quality.
- What is Erin M. Mellano's NPI number?
- 1720240328. 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 Erin M. 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 | 659 |
|---|---|
| Services billed to Medicare | 6,330 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)4,350 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)444 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)371 services
- Insertion of lower leg neurostimulator electrode (64566)261 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)116 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%
- High blood pressure63%
- Arthritis54%
- Osteoporosis34%
- Diabetes27%
- Anxiety23%
Hospitals where Erin M. Mellano works
Medicare's Facility Affiliation Data lists Erin M. 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
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
- 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 Erin M. Mellano is enrolled with Medicare (CMS data updated October 2, 2026).
- 1801 Wilshire BlvdSanta Monica, CA 90403 (310) 319‑5098
- 300 Medical Plaza, Suite 3300Los Angeles, CA 90095 (310) 825‑0867
- 4201 Torrance Blvd, Suite 660Torrance, CA 90503 (310) 316‑4373
- 757 Westwood PlzLos Angeles, CA 90095 (310) 825‑9111
Group practices
Medicare enrollment lists Erin M. Mellano as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of California Los Angeles84 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Other clinicians in Regents of the University of California Los Angeles
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720240328 |
| 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