Quick answers
- Does Samantha J. Lizer accept Medicare assignment?
- Yes. Medicare's clinician data says Samantha J. Lizer 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 Samantha J. Lizer see?
- In 2024, CMS data shows 217 Original Medicare patients and 404 services for Samantha J. Lizer. This counts Original Medicare only and measures volume, not quality.
- What is Samantha J. Lizer's NPI number?
- 1831858257. 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 Samantha J. Lizer, 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 | 217 |
|---|---|
| Services billed to Medicare | 404 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Removal of impacted ear wax (69210)128 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)98 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)69 services
- Diagnostic exam of nasal passages using an endoscope (31231)21 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)21 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 pressure68%
- Arthritis59%
- Ischemic heart disease36%
- Diabetes29%
- Anxiety24%
Hospitals where Samantha J. Lizer works
Medicare's Facility Affiliation Data lists Samantha J. Lizer 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.
- Huntington HospitalPasadena, CA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 050438
Practice locations
Addresses where Samantha J. Lizer is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 W California BlvdPasadena, CA 91105 (310) 665‑7200
- 8635 W 3rd St, Suite 465wLos Angeles, CA 90048 (310) 423‑0674
Group practices
Medicare enrollment lists Samantha J. Lizer as a member of this group (CMS data updated October 2, 2026).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Other clinicians in Cedars-Sinai Medical Care Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831858257 |
| 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