Quick answers
- Does Melissa W. Quan accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa W. Quan 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 Melissa W. Quan see?
- In 2024, CMS data shows 41 Original Medicare patients and 74 services for Melissa W. Quan. This counts Original Medicare only and measures volume, not quality.
- What is Melissa W. Quan's NPI number?
- 1033325816. 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 Melissa W. Quan, 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 | 41 |
|---|---|
| Services billed to Medicare | 74 |
| Different services or procedures | 15 |
| 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)22 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)16 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%
- Alzheimer's disease or dementia61%
- Arthritis54%
- Diabetes41%
- Depression39%
Practice locations
Addresses where Melissa W. Quan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1505 N Edgemont StLos Angeles, CA 90027 (323) 783‑4011
- 4725 -4733 Sunset BlvdLos Angeles, CA 90027 (323) 783‑4011
- 4733 W Sunset BlvdLos Angeles, CA 90027 (213) 667‑4784
- 4900 W Sunset BlvdLos Angeles, CA 90027 (323) 783‑4011
Group practices
Medicare enrollment lists Melissa W. Quan as a member of this group (CMS data updated October 2, 2026).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Southern California Permanente Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033325816 |
| 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
- 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