Quick answers
- Does Wesley L. Fung accept Medicare assignment?
- Yes. Medicare's clinician data says Wesley L. Fung 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 Wesley L. Fung see?
- In 2024, CMS data shows 507 Original Medicare patients and 1,230 services for Wesley L. Fung. This counts Original Medicare only and measures volume, not quality.
- What is Wesley L. Fung's NPI number?
- 1861679979. 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 Wesley L. Fung, 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 | 507 |
|---|---|
| Services billed to Medicare | 1,230 |
| Different services or procedures | 79 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)157 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)121 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)121 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)105 services
- Ultrasound of leg arteries or artery grafts (93925)60 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 blood pressure75%
- High cholesterol75%
- Arthritis69%
- Ischemic heart disease62%
- Diabetes61%
- Chronic kidney disease59%
Hospitals where Wesley L. Fung works
Medicare's Facility Affiliation Data lists Wesley L. Fung 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.
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050116
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050761
- Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050278
- Providence Saint Joseph Medical CenterBurbank, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050235
Practice locations
Addresses where Wesley L. Fung is enrolled with Medicare (CMS data updated October 2, 2026).
- 16917 Enadia WayVan Nuys, CA 91406 (818) 401‑1010
- 23911 Calgrove BlvdSanta Clarita, CA 91321 (818) 401‑1010
Group practices
Medicare enrollment lists Wesley L. Fung as a member of this group (CMS data updated October 2, 2026).
- Valley Vascular Associates Inc3 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Valley Vascular Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861679979 |
| 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