NPPES file of Aug 9, 2026

Daniel Brent Leong, MD

Family Medicine Physician · Merced, CA

Daniel Brent Leong, MD is a family medicine physician with a practice address in Merced, California, and NPI 1518119510, issued on Oct 21, 2008. Check the license (California A105830, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518119510
Name
Daniel Brent Leong
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A105830 CA
Self-reported in NPPES; status is on the state search
Practice location
1573 Esplanade Dr, Merced, CA 95348
Phone
(209) 628-2911
Enumerated
Oct 21, 2008
Record last updated
Dec 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120206000207); 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.
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Verify Daniel Brent Leong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A105830
    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.

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

189 Medicare Part D claims for 92 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Daniel Leong189
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen16 claims
  2. Furosemide13 claims
  3. Prednisone12 claims
  4. Levofloxacin11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 95.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%70.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $37.51

1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Leong$37.51
  2. Specialty average$902.55

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

  1. Merced Hospitalist Medical Group IncMerced, CA

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

Daniel Brent Leong among 17,133 family medicine physician records in California

Daniel Brent Leong, MD 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 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 42% 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 updated2012 · 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).

94 family medicine physician records list a practice address in Merced

They are 94 of the 2,836 NPPES records with a practice address in Merced, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Brandon Boggs, MDMerced, CA 953481386655520
  2. Douglas Eck, MDMerced, CA 953481144323189
  3. Roger Fife, M.D.Merced, CA 953481548207590
  4. Eugenia Garcia, M.D.Merced, CA 953481265483622
  5. Charlie Kano, MDMerced, CA 953481003927567
  6. Grant Medefind, M.D.Merced, CA 953481437366069
  7. Dirk Mous, MDMerced, CA 953481538262522
  8. Leonard Oestreicher, MDMerced, CA 953481033212022

Common questions

What is Daniel Brent Leong, MD's NPI number?

Daniel Brent Leong, MD's National Provider Identifier (NPI) is 1518119510, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Brent Leong, MD located?

The NPPES record lists a practice address at 1573 Esplanade Dr, Merced, CA, 95348. Phone: (209) 628-2911. Providers update this record themselves, so call before visiting.

How can I verify Daniel Brent Leong, MD's license?

NPPES lists California license number A105830, 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 Daniel Brent Leong, MD prescribe under Medicare Part D?

In 2024, Daniel Brent Leong, MD had 189 Medicare Part D claims for 92 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Daniel Brent Leong, MD's MIPS final score?

The 2023 MIPS final score is 95.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.