Quick answers
- Does Marie N. Hamilton accept Medicare assignment?
- Yes. Medicare's clinician data says Marie N. Hamilton 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 Marie N. Hamilton see?
- In 2024, CMS data shows 88 Original Medicare patients and 320 services for Marie N. Hamilton. This counts Original Medicare only and measures volume, not quality.
- What is Marie N. Hamilton's NPI number?
- 1720394000. 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 Marie N. Hamilton, 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 | 88 |
|---|---|
| Services billed to Medicare | 320 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)28 services
- Telephone medical discussion with physician, 5-10 minutes (99441)28 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 pressure67%
- Arthritis48%
- Diabetes27%
- Ischemic heart disease22%
- Anxiety19%
Practice locations
Addresses where Marie N. Hamilton is enrolled with Medicare (CMS data updated October 2, 2026).
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
- 475 E Avenida De Los Arboles, Suite BThousand Oaks, CA 91360 (818) 483‑0885
- 5825 Kanan RdAgoura Hills, CA 91301 (818) 483‑0775
Group practices
Medicare enrollment lists Marie N. Hamilton as a member of these groups (CMS data updated October 2, 2026).
- The Regents of the University of California1,462 clinicians in the group
- Agoura Hills Urgentocare PC14 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Other clinicians in The Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Southern California Keck School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720394000 |
| 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