Quick answers
- Does Sherry E. Sonka-Maarek accept Medicare assignment?
- Yes. Medicare's clinician data says Sherry E. Sonka-Maarek 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 Sherry E. Sonka-Maarek see?
- In 2024, CMS data shows 274 Original Medicare patients and 1,508 services for Sherry E. Sonka-Maarek. This counts Original Medicare only and measures volume, not quality.
- What is Sherry E. Sonka-Maarek's NPI number?
- 1588767651. 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 Sherry E. Sonka-Maarek, 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 | 274 |
|---|---|
| Services billed to Medicare | 1,508 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)477 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)396 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)249 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)80 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)77 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%
- Arthritis61%
- Diabetes46%
- Depression43%
- Chronic kidney disease43%
Hospitals where Sherry E. Sonka-Maarek works
Medicare's Facility Affiliation Data lists Sherry E. Sonka-Maarek 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.
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050078
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353
Practice locations
Addresses where Sherry E. Sonka-Maarek is enrolled with Medicare (CMS data updated October 2, 2026).
- 4101 Torrance BlvdTorrance, CA 90503 (310) 386‑2305
Specialties
Find other Physical Medicine and Rehabilitation doctors in California →
Other rehabilitation doctors in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588767651 |
| 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