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Medical Oncology

Arsen Osipov, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Arsen Osipov, MD is an oncologist at 8700 Beverly Blvd, West Hollywood, CA 90048. Phone: (310) 423-3277. Accepts Medicare assignment. In 2024, Arsen Osipov had 167 Original Medicare patients and 1,065 services. NPI 1598108482. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 8700 Beverly Blvd, West Hollywood, CA 90048 · Directions
  • Phone: (310) 423‑3277
  • Medicare: Accepts Medicare assignment
  • Hospital: Cedars-Sinai Medical Center
  • Group practice: Cedars-Sinai Medical Center
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Arsen Osipov, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Arsen Osipov accept Medicare assignment?
Yes. Medicare's clinician data says Arsen Osipov 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 Arsen Osipov see?
In 2024, CMS data shows 167 Original Medicare patients and 1,065 services for Arsen Osipov. This counts Original Medicare only and measures volume, not quality.
What is Arsen Osipov's NPI number?
1598108482. 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 Arsen Osipov, 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 patients167
Services billed to Medicare1,065
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)620 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)169 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)123 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)53 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)40 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%
  • Diabetes53%
  • Ischemic heart disease53%
  • Arthritis43%
  • Depression34%

Hospitals where Arsen Osipov works

Medicare's Facility Affiliation Data lists Arsen Osipov 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.

Practice locations

Addresses where Arsen Osipov is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Arsen Osipov as a member of this group (CMS data updated October 2, 2026).

  • Cedars-Sinai Medical Center799 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in West Hollywood

Clinicians with the same Medicare primary specialty in West Hollywood, CA — not a recommendation.

All oncologists in West Hollywood →

Other clinicians in Cedars-Sinai Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598108482
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians