Quick answers
- Does Jason A. Berkley accept Medicare assignment?
- Medicare's clinician data says Jason A. Berkley may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jason A. Berkley see?
- In 2024, CMS data shows 727 Original Medicare patients and 2,811 services for Jason A. Berkley. This counts Original Medicare only and measures volume, not quality.
- What is Jason A. Berkley's NPI number?
- 1033119250. 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 Jason A. Berkley, 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 | 727 |
|---|---|
| Services billed to Medicare | 2,811 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)382 services
- Telephone medical discussion with physician, 11-20 minutes (99442)369 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)313 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)206 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)181 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%
- Arthritis75%
- High blood pressure74%
- Ischemic heart disease44%
- Osteoporosis35%
- Diabetes31%
Hospitals where Jason A. Berkley works
Medicare's Facility Affiliation Data lists Jason A. Berkley 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 Jason A. Berkley is enrolled with Medicare (CMS data updated October 2, 2026).
- 444 S San Vicente Blvd, Suite 800Los Angeles, CA 90048 (310) 423‑9900
Specialties
- Neurologyprimary
Other neurologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City College Of Medicine And Surgery |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033119250 |
| 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