Quick answers
- Does Crystal L. Quarry accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal L. Quarry 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 Crystal L. Quarry see?
- In 2024, CMS data shows 31 Original Medicare patients and 486 services for Crystal L. Quarry. This counts Original Medicare only and measures volume, not quality.
- What is Crystal L. Quarry's NPI number?
- 1558708834. 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 Crystal L. Quarry, 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 | 31 |
|---|---|
| Services billed to Medicare | 486 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Psychotherapy, 1 hour (90837)442 services
- Psychiatric diagnostic evaluation (90791)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 cholesterol75%
- Depression75%
- High blood pressure65%
- Anxiety65%
- Arthritis58%
Practice locations
Addresses where Crystal L. Quarry is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 Ave I, Suite 204Redondo Beach, CA 90277 (424) 903‑6520
Group practices
Medicare enrollment lists Crystal L. Quarry as a member of this group (CMS data updated October 2, 2026).
- Q Psychology Group a Psychological Corporation2 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Redondo Beach
Clinicians with the same Medicare primary specialty in Redondo Beach, CA — not a recommendation.
Other clinicians in Q Psychology Group a Psychological Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558708834 |
| 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