Quick answers
- Does Monica M. Banchero Hasson accept Medicare assignment?
- Yes. Medicare's clinician data says Monica M. Banchero Hasson 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 Monica M. Banchero Hasson see?
- In 2024, CMS data shows 134 Original Medicare patients and 217 services for Monica M. Banchero Hasson. This counts Original Medicare only and measures volume, not quality.
- What is Monica M. Banchero Hasson's NPI number?
- 1649244534. 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 Monica M. Banchero Hasson, 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 | 134 |
|---|---|
| Services billed to Medicare | 217 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)107 services
- Injection of drug or substance under skin or into muscle (96372)15 services
- Removal of impacted ear wax (69210)12 services
- Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)12 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%
- Ischemic heart disease54%
- Arthritis50%
- Diabetes46%
- Chronic kidney disease41%
Hospitals where Monica M. Banchero Hasson works
Medicare's Facility Affiliation Data lists Monica M. Banchero Hasson 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.
- Adventist Health St HelenaSaint Helena, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050013
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050009
- Zuckerberg San Francisco General Hospital & Trauma CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050228
Practice locations
Addresses where Monica M. Banchero Hasson is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 California DrYountville, CA 94599 (707) 944‑4506
Group practices
Medicare enrollment lists Monica M. Banchero Hasson as a member of this group (CMS data updated October 2, 2026).
- Veterans Home of California23 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Yountville
Clinicians with the same Medicare primary specialty in Yountville, CA — not a recommendation.
Other clinicians in Veterans Home of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649244534 |
| 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