NPPES file of Aug 9, 2026

Francisco Javier Merino, D.O.

Family Medicine Physician · Fontana, CA

Francisco Javier Merino, D.O. is a family medicine physician with a practice address in Fontana, California, and NPI 1104017318, issued on Aug 5, 2007. Check the license (California 20A9656, 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
1104017318
Name
Francisco Javier Merino
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A9656 CA
Self-reported in NPPES; status is on the state search
Practice location
7798 Cherry Ave, Fontana, CA 92336
Phone
(909) 355-1296
Enumerated
Aug 5, 2007
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 355-1333
Medicare enrollment
Enrolled (PECOS I20080123000558); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 7798 Cherry Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy Amezcua, PAMedical Physician Assistant1982854865
  2. Saranya Balasubramaniam, MDOphthalmology Physician1528321767
  3. Phillip Chong, M.D.Pediatrics Physician1093132177
  4. Kathryn Maiorano, PA-CPhysician Assistant1770910770
  5. Heather NguyenPhysician Assistant1063389286
  6. Orlando Ortiz, PA-CPhysician Assistant1710713953

Verify Francisco Javier Merino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A9656
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

82% fewer Medicare Part D claims than the average family medicine physician in 2024

644 Medicare Part D claims for 378 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 29 claims were for opioids.

  1. Francisco Merino644
  2. Specialty average3,544

Most prescribed

  1. Cephalexin71 claims
  2. Mupirocin59 claims
  3. Azithromycin50 claims
  4. Ibuprofen36 claims
  5. Sucralfate27 claims
  6. Ciprofloxacin Hcl25 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupFontana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Francisco Javier Merino among 17,133 family medicine physician records in California

Francisco Javier Merino, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2003 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

198 family medicine physician records list a practice address in Fontana

They are 198 of the 3,012 NPPES records with a practice address in Fontana, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jose Arciniega, D.O.Fontana, CA 923361265642052
  2. Emmanuel Baidoo, D.O.Fontana, CA 923361831319516
  3. Atul Bembi, D.O.Fontana, CA 923361477524320
  4. Jesse Dominguez, D.O.Fontana, CA 923361467534313
  5. Monir Katani, MDFontana, CA 923361760428445
  6. Nancy Lim, MDFontana, CA 923361275506412
  7. Muhammad Mowjood, DOFontana, CA 923361851389464
  8. Darlene Rae, M.D.Fontana, CA 923361881640373

Common questions

What is Francisco Javier Merino, D.O.'s NPI number?

Francisco Javier Merino, D.O.'s National Provider Identifier (NPI) is 1104017318, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Francisco Javier Merino, D.O. located?

The NPPES record lists a practice address at 7798 Cherry Ave, Fontana, CA, 92336. Phone: (909) 355-1296. Providers update this record themselves, so call before visiting.

How can I verify Francisco Javier Merino, D.O.'s license?

NPPES lists California license number 20A9656, 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 Francisco Javier Merino, D.O. prescribe under Medicare Part D?

In 2024, Francisco Javier Merino, D.O. had 644 Medicare Part D claims for 378 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.