Quick answers
- Does Natalia Zarzhevsky accept Medicare assignment?
- Yes. Medicare's clinician data says Natalia Zarzhevsky 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 Natalia Zarzhevsky see?
- In 2024, CMS data shows 1,546 Original Medicare patients and 2,380 services for Natalia Zarzhevsky. This counts Original Medicare only and measures volume, not quality.
- What is Natalia Zarzhevsky's NPI number?
- 1043338924. 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 Natalia Zarzhevsky, 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 | 1,546 |
|---|---|
| Services billed to Medicare | 2,380 |
| Different services or procedures | 158 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- X-ray of chest, 1 view (71045)242 services
- Ct scan head or brain without contrast (70450)186 services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)151 services
- Ct scan of abdomen and pelvis with contrast (74177)135 services
- X-ray of chest, 2 views (71046)127 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 pressure73%
- High cholesterol64%
- Arthritis47%
- Anxiety32%
- Diabetes31%
- Depression29%
Hospitals where Natalia Zarzhevsky works
Medicare's Facility Affiliation Data lists Natalia Zarzhevsky 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.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
- Providence Redwood Memorial HospitalFortuna, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051318
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050006
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050701
- Temecula Valley HospitalTemecula, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050775
Practice locations
Addresses where Natalia Zarzhevsky is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 10 Woodland RdSaint Helena, CA 94574 (707) 963‑3611
- 1300 N Vermont AveLos Angeles, CA 90027 (877) 406‑2916
- 2330 Buhne StEureka, CA 95501 (707) 445‑5431
- 2700 Dolbeer StEureka, CA 95501 (707) 445‑5431
- 2801 Atlantic AveLong Beach, CA 90806 (562) 933‑2000
Group practices
Medicare enrollment lists Natalia Zarzhevsky as a member of these groups (CMS data updated October 2, 2026).
- Adventist Health Physicians Network628 clinicians in the group
- Menalam Health Services PC113 clinicians in the group
- St. Helena Hospital84 clinicians in the group
- Universal Radiology Partners of California PC66 clinicians in the group
- Humboldt Radiology Medical Group, Inc13 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Saint Helena
Clinicians with the same Medicare primary specialty in Saint Helena, CA — not a recommendation.
Other clinicians in Adventist Health Physicians Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043338924 |
| 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