Quick answers
- Does Karen L. Dumars accept Medicare assignment?
- Yes. Medicare's clinician data says Karen L. Dumars 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 Karen L. Dumars see?
- In 2024, CMS data shows 897 Original Medicare patients and 3,874 services for Karen L. Dumars. This counts Original Medicare only and measures volume, not quality.
- What is Karen L. Dumars's NPI number?
- 1417059346. 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 Karen L. Dumars, 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 | 897 |
|---|---|
| Services billed to Medicare | 3,874 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (G0453)1,414 services
- Placement of skin electrodes and measurement of stimulated sites on arms and legs (95938)815 services
- Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study (95870)763 services
- Placement of skin electrodes and measurement of central motor stimulation in arms and legs (95939)446 services
- Needle measurement of electrical activity in arm or leg muscles, 2 extremities (95861)199 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%
- Arthritis75%
- Ischemic heart disease43%
- Anxiety41%
- Diabetes39%
Hospitals where Karen L. Dumars works
Medicare's Facility Affiliation Data lists Karen L. Dumars 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.
- Chandler Regional Medical CenterChandler, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030036
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050290
- Saint Thomas Hospital for Spinal SurgeryNashville, TN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 440218
- 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 Karen L. Dumars is enrolled with Medicare (CMS data updated October 2, 2026).
- 718 Via La CuestaPalos Verdes Estates, CA 90274 (800) 348‑4565
Group practices
Medicare enrollment lists Karen L. Dumars as a member of these groups (CMS data updated October 2, 2026).
- Sentient Physicians, P.C.37 clinicians in the group
- Remote Neuromonitoring Physicians PC36 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Sentient Physicians, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417059346 |
| 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