Quick answers
- Does Shawna N. Mellon accept Medicare assignment?
- Yes. Medicare's clinician data says Shawna N. Mellon 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 Shawna N. Mellon see?
- In 2024, CMS data shows 470 Original Medicare patients and 1,075 services for Shawna N. Mellon. This counts Original Medicare only and measures volume, not quality.
- What is Shawna N. Mellon's NPI number?
- 1790227452. 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 Shawna N. Mellon, 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 | 470 |
|---|---|
| Services billed to Medicare | 1,075 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)329 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)245 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)217 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)128 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)92 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 pressure61%
- Arthritis46%
- Ischemic heart disease26%
- Anxiety25%
- Osteoporosis24%
Hospitals where Shawna N. Mellon works
Medicare's Facility Affiliation Data lists Shawna N. Mellon 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.
- Scripps Green HospitalLa Jolla, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050424
- Scripps Memorial Hospital - EncinitasEncinitas, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050503
- Scripps Memorial Hospital La JollaLa Jolla, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050324
Practice locations
Addresses where Shawna N. Mellon is enrolled with Medicare (CMS data updated October 2, 2026).
- 3811 Valley Centre DrSan Diego, CA 92130 (858) 764‑3000
Group practices
Medicare enrollment lists Shawna N. Mellon as a member of this group (CMS data updated October 2, 2026).
- Scripps Health1,433 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Other clinicians in Scripps Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790227452 |
| 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