Quick answers
- Does Karen L. Reuss accept Medicare assignment?
- Yes. Medicare's clinician data says Karen L. Reuss 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. Reuss see?
- In 2024, CMS data shows 2,901 Original Medicare patients and 20,322 services for Karen L. Reuss. This counts Original Medicare only and measures volume, not quality.
- What is Karen L. Reuss's NPI number?
- 1336190354. 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. Reuss, 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 | 2,901 |
|---|---|
| Services billed to Medicare | 20,322 |
| Different services or procedures | 171 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)7,748 services
- Injection, gadobutrol, 0.1 ml (A9585)3,598 services
- Injection, gadoterate meglumine, 0.1 ml (A9575)2,450 services
- X-ray of chest, 1 view (71045)692 services
- Screening mammography (77067)682 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%
- Arthritis54%
- Diabetes42%
- Depression36%
- Chronic kidney disease36%
Hospitals where Karen L. Reuss works
Medicare's Facility Affiliation Data lists Karen L. Reuss 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.
- Garden Grove Hospital & Medical CenterGarden Grove, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050230
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Huntington Beach HospitalHuntington Beach, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050526
- La Palma Intercommunity HospitalLa Palma, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050580
- West Anaheim Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050426
Practice locations
Addresses where Karen L. Reuss is enrolled with Medicare (CMS data updated October 2, 2026).
- 1605 Avocado AveNewport Beach, CA 92660 (949) 760‑3025
- 17772 Beach BlvdHuntington Beach, CA 92647 (714) 843‑5000
Group practices
Medicare enrollment lists Karen L. Reuss as a member of these groups (CMS data updated October 2, 2026).
- Coastal Imaging and Intervention Inc10 clinicians in the group
- Newport Diagnostic Radiology Inc9 clinicians in the group
- Newport Diagnostic Center Inc8 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Other clinicians in Coastal Imaging and Intervention Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336190354 |
| 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