Registry data as of Aug 27, 2026

David Ding, MD

Internal Medicine Physician · Pico Rivera, CA

David Ding, MD is an internal medicine physician with a practice address in Pico Rivera, California, and NPI 1144583758, issued on Jun 19, 2012. Check the license (California A161926, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144583758
Name
David Ding
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A161926 CA
Self-reported in NPPES; status is on the state search
Practice location
9330 Washington Blvd, Pico Rivera, CA 90660
Phone
(562) 205-4200
Enumerated
Jun 19, 2012
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.
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Also registered at 9330 Washington Blvd

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

  1. Crystal Aguilar, NPFamily Nurse Practitioner1598201287
  2. Nadia AwadaPhysician Assistant1659029528
  3. Cynthia Carrasco-Gonzalez, F.N.PRegistered Nurse1952700320
  4. Lam Nguyen, M.D.Internal Medicine Physician1538594122
  5. Lincoln Vu, NP-CNurse Practitioner1518521525

Verify David Ding in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A161926
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

84% fewer Medicare Part D claims than the average internal medicine physician in 2024

448 Medicare Part D claims for 163 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. David Ding448
  2. Specialty average2,785

Most prescribed

  1. Amoxicillin-Clavulanate Potass38 claims
  2. Hydrocodone-Acetaminophen25 claims
  3. Furosemide21 claims
  4. Ampicillin-Sulbactam18 claims
  5. Levofloxacin16 claims
  6. Ondansetron Odt16 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 Medicare quality score for 2023: 76.3 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. Qualityout of 100 · 30% of the final score62.7
  2. Costout of 100 · 30%59.3
  3. Promoting interoperabilityout of 100 · 25%
  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: $121.82

1 payment, mostly food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Ding$121.82
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Pih Health PhysiciansWhittier, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

7 internal medicine physician records list a Pico Rivera practice address

They are 7 of the 470 NPPES records with a Pico Rivera practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is David Ding, MD's NPI number?

David Ding, MD's National Provider Identifier (NPI) is 1144583758, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is David Ding, MD located?

The NPPES record lists a practice address at 9330 Washington Blvd, Pico Rivera, CA, 90660. Phone: (562) 205-4200. Providers update this record themselves, so call before visiting.

How can I verify David Ding, MD's license?

NPPES lists California license number A161926, 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 David Ding, MD prescribe under Medicare Part D?

In 2024, David Ding, MD had 448 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is David Ding, MD's Medicare quality score?

The 2023 MIPS final score is 76.3 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.