Quick answers
- Does Maxwell Fung accept Medicare assignment?
- Yes. Medicare's clinician data says Maxwell 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 Maxwell Fung see?
- In 2024, CMS data shows 3,508 Original Medicare patients and 8,325 services for Maxwell Fung. This counts Original Medicare only and measures volume, not quality.
- What is Maxwell Fung's NPI number?
- 1134178973. 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 Maxwell 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 | 3,508 |
|---|---|
| Services billed to Medicare | 8,325 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)6,863 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)364 services
- Special stained specimen slides to examine tissue, initial procedure (88342)291 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)288 services
- Antibody evaluation, each additional single antibody stain procedure (88350)231 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 pressure70%
- Arthritis49%
- Ischemic heart disease26%
- Diabetes24%
- Chronic kidney disease22%
Hospitals where Maxwell Fung works
Medicare's Facility Affiliation Data lists Maxwell 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.
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050599
Practice locations
Addresses where Maxwell Fung is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 10850 White Rock RdRancho Cordova, CA 95670
- 3301 C StSacramento, CA 95816
- 3301 C St, Suite 1413Sacramento, CA 95816 (916) 734‑6373
- 3301 C St, Suite 800bSacramento, CA 95816 (916) 703‑3300
- 4860 Y StSacramento, CA 95817
Group practices
Medicare enrollment lists Maxwell Fung as a member of this group (CMS data updated October 2, 2026).
- Regents of the Univ of Ca1,584 clinicians in the group
Specialties
- Dermatologyprimary
- Pathologyalso
Other dermatologists in Rancho Cordova
Clinicians with the same Medicare primary specialty in Rancho Cordova, CA — not a recommendation.
Other clinicians in Regents of the Univ of Ca
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134178973 |
| 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