Quick answers
- Where does Ronald I. Jacoby see patients?
- Medicare's clinician data lists 3 practice locations, including Lawndale, CA and Inglewood, CA. Call before your visit to confirm the address.
- What is Ronald I. Jacoby's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ronald I. Jacoby accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald I. Jacoby accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ronald I. Jacoby?
- (424) 310-2707, as listed in official Medicare / NPI Registry data.
- What is Ronald I. Jacoby's NPI number?
- 1346269669. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ronald I. Jacoby is enrolled with Medicare (CMS data updated 2026-10-02).
- 15424 Hawthorne Blvd, Suite 302Lawndale, CA 90260 (424) 310‑2707
- 8611 Crenshaw Blvd, Suite 210Inglewood, CA 90305 (310) 910‑8372
- 9140 S Nobel WayInglewood, CA 90305
Group practices
Medicare enrollment lists Ronald I. Jacoby as a member of these groups (CMS data updated 2026-10-02).
- Cesca Medical Group Inc2 clinicians in the group
- SFS Medical Group, Inc2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lawndale
Clinicians with the same Medicare primary specialty in Lawndale, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1969 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346269669 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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