NPPES file of Aug 9, 2026

Jacqueline Gesner Agcaoili, MD

Internal Medicine Physician · Riverside, CA

Jacqueline Gesner Agcaoili, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1124022108, issued on Jun 8, 2005. Check the license (California A46231, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124022108
Name
Jacqueline Gesner Agcaoili
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A46231 CA
Self-reported in NPPES; status is on the state search
Practice location
4440 Brockton Ave., Riverside, CA 92501
Phone
(951) 369-6191
Enumerated
Jun 8, 2005
Record last updated
Mar 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(951) 369-0304
Medicare enrollment
Enrolled (PECOS I20080710000615); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jacqueline Gesner Agcaoili in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A46231
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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29% more Medicare Part D claims than the average internal medicine physician in 2024

4,100 Medicare Part D claims for 277 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.

  1. Jacqueline Agcaoili4,100
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium315 claims
  2. Metformin Hcl214 claims
  3. Lisinopril204 claims
  4. Amlodipine Besylate181 claims
  5. Rosuvastatin Calcium161 claims
  6. Omeprazole158 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: $287.90

4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacqueline Agcaoili$287.90
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jacqueline Gesner Agcaoili among 17,696 internal medicine physician records in California

Jacqueline Gesner Agcaoili, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1980 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

187 internal medicine physician records list a practice address in Riverside

They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joseph Alukal, M.D.Riverside, CA 925011801270699
  2. Donald Blackman, MDRiverside, CA 925011386687754
  3. Benjamin Chung, MDRiverside, CA 925011326031923
  4. Baker Hillawy, MDRiverside, CA 925011427408749
  5. Elizabeth Jacobs, MDRiverside, CA 925011023046059
  6. Ameera Khan, MDRiverside, CA 925011356704522
  7. Mohammad Kharazmi, MDRiverside, CA 925011033121272
  8. Victor Laus, M.D.Riverside, CA 925011881724144

Common questions

What is Jacqueline Gesner Agcaoili, MD's NPI number?

Jacqueline Gesner Agcaoili, MD's National Provider Identifier (NPI) is 1124022108, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jacqueline Gesner Agcaoili, MD located?

The NPPES record lists a practice address at 4440 Brockton Ave., Riverside, CA, 92501. Phone: (951) 369-6191. Providers update this record themselves, so call before visiting.

How can I verify Jacqueline Gesner Agcaoili, MD's license?

NPPES lists California license number A46231, 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 Jacqueline Gesner Agcaoili, MD prescribe under Medicare Part D?

In 2024, Jacqueline Gesner Agcaoili, MD had 4,100 Medicare Part D claims for 277 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.