NPPES file of Aug 9, 2026

Joel De La Merced, M.D.

Pediatrics Physician · Chino Hills, CA

Joel De La Merced, M.D. is a pediatrics physician with a practice address in Chino Hills, California, and NPI 1306810031, issued on Feb 17, 2006. Check the license (California A50414, 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
1306810031
Name
Joel De La Merced
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
A50414 CA
Self-reported in NPPES; status is on the state search
Practice location
3110 Chino Avenue, Chino Hills, CA 91709
Phone
(909) 902-9998
Enumerated
Feb 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(909) 902-0995
Medicaid ID
00A504140 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Joel De La Merced in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A50414
    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.

97% fewer Medicare Part D claims than the average pediatrics physician in 2024

13 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Joel De La Merced13
  2. Specialty average375

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: $19.98

1 payment: food and beverage; the largest payer was Cranial Technologies, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joel De La Merced$19.98
  2. Specialty average$842.05

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

Joel De La Merced among 9,272 pediatrics physician records in California

Joel De La Merced, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 pediatrics physician records list a practice address in Chino Hills

They are 11 of the 774 NPPES records with a practice address in Chino Hills, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Karen Kay Alfonso, M.D.Chino Hills, CA 917091316228729
  2. Hua Bai, M.D.Chino Hills, CA 917091295756336
  3. Caroline Bebawy, MDChino Hills, CA 917091336878834
  4. Terrence Liu, M.D.Chino Hills, CA 917091285619825
  5. Yen-Fu Liu, M.D.Chino Hills, CA 917091598982522
  6. Anh Nguyen, M.D.Chino Hills, CA 917091720205768
  7. Falgooni Patel, DOChino Hills, CA 917091457659369
  8. Jessica Paxson, M.D.Chino Hills, CA 917091992772529

Common questions

What is Joel De La Merced, M.D.'s NPI number?

Joel De La Merced, M.D.'s National Provider Identifier (NPI) is 1306810031, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joel De La Merced, M.D. located?

The NPPES record lists a practice address at 3110 Chino Avenue, Chino Hills, CA, 91709. Phone: (909) 902-9998. Providers update this record themselves, so call before visiting.

How can I verify Joel De La Merced, M.D.'s license?

NPPES lists California license number A50414, 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 Joel De La Merced, M.D. prescribe under Medicare Part D?

In 2024, Joel De La Merced, M.D. had 13 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.