Quick answers
- Where does Adelaida B. Antonio see patients?
- Medicare's clinician data lists 2 practice locations, including Palmdale, CA and Canoga Park, CA. Call before your visit to confirm the address.
- What is Adelaida B. Antonio's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice and General Practice.
- Does Adelaida B. Antonio accept Medicare assignment?
- Yes. Medicare's clinician data says Adelaida B. Antonio 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 Adelaida B. Antonio?
- (818) 716-0047, as listed in official Medicare / NPI Registry data.
- What is Adelaida B. Antonio's NPI number?
- 1134337975. 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 Adelaida B. Antonio is enrolled with Medicare (CMS data updated 2026-10-02).
- 1543 E Palmdale BlvdPalmdale, CA 93550
- 21001 Sherman Way, Suite 15Canoga Park, CA 91303 (818) 716‑0047
Group practices
Medicare enrollment lists Adelaida B. Antonio as a member of this group (CMS data updated 2026-10-02).
- Roy Medical Group Inc4 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
- General Practicealso
Other internal medicine doctors in Palmdale
Clinicians with the same Medicare primary specialty in Palmdale, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1954 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134337975 |
| 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