Quick answers
- Does Madeline Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Madeline Nguyen 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 Madeline Nguyen see?
- In 2024, CMS data shows 100 Original Medicare patients and 154 services for Madeline Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Madeline Nguyen's NPI number?
- 1316333453. 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 Madeline Nguyen, 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 | 100 |
|---|---|
| Services billed to Medicare | 154 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Hemoglobin a1c level (83036)80 services
- Urinalysis, manual test (81002)42 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)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 blood pressure75%
- Diabetes75%
- High cholesterol61%
- Arthritis44%
- Ischemic heart disease25%
- Anxiety24%
Practice locations
Addresses where Madeline Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3810 Rosin Ct, Suite 100Sacramento, CA 95834
- 5730 Packard Ave, Suite 500Marysville, CA 95901
- 9980 Live Oak BlvdLive Oak, CA 95953
Group practices
Medicare enrollment lists Madeline Nguyen as a member of this group (CMS data updated October 2, 2026).
- Peach Tree Healthcare33 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Other clinicians in Peach Tree Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316333453 |
| 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