Karen D. Altman, MD

Medicare activity in 2024

Official CMS public-use data for Karen D. Altman, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,426 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)241 services
3. Measurement of brain wave activity (eeg), awake and asleep (95819)174 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)160 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)149 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%
• Arthritis72%
• Ischemic heart disease60%
• Diabetes51%
• Stroke or mini-stroke49%

Hospitals where Karen D. Altman works

Medicare's Facility Affiliation Data lists Karen D. Altman 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625

Practice locations

Addresses where Karen D. Altman is enrolled with Medicare (CMS data updated October 2, 2026).

• 8733 Beverly Blvd, Suite 404West Hollywood, CA 90048 (310) 659‑8451

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in West Hollywood

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

• Paula V. Barreras Cortes, MD
• Echo Tan, MD
• Maria Brickman, MD
• Cyrus K. Mody, MD
• Duaa Jabari, MD
• Shouri Lahiri, MD
• Camille W. Malatt, MD
• Marwa Kaisey, MD

All neurologists in West Hollywood →

Clinician information

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