Adelaida B. Antonio, M.D.
General Practice Physician · Canoga Park, CA
Adelaida B. Antonio, M.D. is a general practice physician with a practice address in Canoga Park, California, and NPI 1134337975, issued on May 17, 2007. Check the license (California C41801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adelaida B. Antonio
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- C41801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21001 Sherman Way, Canoga Park, CA 91303
- Phone
- (818) 716-0048
- Enumerated
- May 17, 2007
- Record last updated
- Dec 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (818) 785-3330
- Medicaid ID
- 00C418010 CA
- Medicare enrollment
- Enrolled (PECOS I20040604000906); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 21001 Sherman Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Felix, MDPediatrics Physician1932287836
- Rosalinda Roy, M.D.Family Medicine Physician1821021981
Verify Adelaida B. Antonio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average general practice physician in 2024
447 Medicare Part D claims for 59 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate40 claims
- Losartan Potassium33 claims
- Atorvastatin Calcium31 claims
- Metformin Hcl26 claims
- Gabapentin18 claims
- Levothyroxine Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $19.80
1 payment: food and beverage; the largest payer was Amgen Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Roy Medical Group IncPalmdale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
Other general practice physician records in California
- Hessam Aazami, M.D.Canoga Park, CA1144299173
- Ali Abaian, M.D.Los Angeles, CA1316061674
- Tahira Abbasi, MDLa Jolla, CA1619062346
- Ryan Abbott, M.D.Los Angeles, CA1194016030
- Adel Abdelsayed, M.D.Huntington Park, CA1922164961
- Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
- Ilona Abraham, MDEncino, CA1700939576
- Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
- Azniv Abrahamian, M.D.North Hollywood, CA1033270293
- Elliot Abravanel, MDSan Marino, CA1821610114
Common questions
What is Adelaida B. Antonio, M.D.'s NPI number?
Adelaida B. Antonio, M.D.'s National Provider Identifier (NPI) is 1134337975, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Adelaida B. Antonio, M.D. located?
The NPPES record lists a practice address at 21001 Sherman Way, Canoga Park, CA, 91303. Phone: (818) 716-0048. Providers update this record themselves, so call before visiting.
How can I verify Adelaida B. Antonio, M.D.'s license?
NPPES lists California license number C41801, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adelaida B. Antonio, M.D. prescribe under Medicare Part D?
In 2024, Adelaida B. Antonio, M.D. had 447 Medicare Part D claims for 59 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.