NPPES file of Aug 9, 2026

David Richard Ton, MD

Hospitalist Physician · Woodland Hills, CA

David Richard Ton, MD is a hospitalist physician with a practice address in Woodland Hills, California, and NPI 1114287331, issued on May 22, 2012. Check the license (California A129309, 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
1114287331
Name
David Richard Ton
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A129309 CA
Self-reported in NPPES; status is on the state search
Practice location
5601 DE Soto Ave, Woodland Hills, CA 91367
Phone
(818) 719-2000
Enumerated
May 22, 2012
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141029002588); accepts Medicare assignment
Medical or professional school
University Of Nevada School Of Medicine, 2012
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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Also registered at 5601 DE Soto Ave

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

  1. Houry Abajian, PHARM.D.Pharmacist1235297383
  2. Cecille Abeleda, RCP, RRTRegistered Respiratory Therapist1316424872
  3. Sunitha AbrahamCertified Respiratory Therapist1114409679
  4. Arineh AbramPharmacist1760108401
  5. Stephano Abusleme, DOStudent in an Organized Health Care Education/Training Program1538747639
  6. Ani Adamian, PHARM DPharmacist1043841851

Verify David Richard Ton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A129309
    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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35% fewer Medicare Part D claims than the average hospitalist physician in 2024

340 Medicare Part D claims for 129 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. David Ton340
  2. Specialty average521

Most prescribed

  1. Cefpodoxime Proxetil28 claims
  2. Pantoprazole Sodium22 claims
  3. Furosemide19 claims
  4. Cephalexin12 claims
  5. Doxycycline Monohydrate12 claims
  6. Metoprolol Tartrate12 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 GroupWoodland Hills, CA

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

David Richard Ton among 3,099 hospitalist physician records in California

David Richard Ton, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.

  • NPI issued2012 · 51% of these records are older, 44% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2012 · median 2010 among the 2,505 with a school on file
  • Record last updated2021 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Jun Ma, M.D.Woodland Hills, CA 913671861752321
  2. Michael Nguyen, DOWoodland Hills, CA 913671285376392
  3. Sewon Oum, M.D.Woodland Hills, CA 913671063772085
  4. Lorraine Pena, MDWoodland Hills, CA 913671366590341
  5. Ani Sargsyan, M.D.Woodland Hills, CA 913671902166473
  6. Aamir Iqbal, M.D.Thousand Oaks, CA 913611174054019
  7. Anitha Srinivasa, M.D.Westlake Village, CA 913611306876149
  8. Gholamreza Badiee, M.D.Thousand Oaks, CA 913601841561784

Common questions

What is David Richard Ton, MD's NPI number?

David Richard Ton, MD's National Provider Identifier (NPI) is 1114287331, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.

Where is David Richard Ton, MD located?

The NPPES record lists a practice address at 5601 DE Soto Ave, Woodland Hills, CA, 91367. Phone: (818) 719-2000. Providers update this record themselves, so call before visiting.

How can I verify David Richard Ton, MD's license?

NPPES lists California license number A129309, 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 Richard Ton, MD prescribe under Medicare Part D?

In 2024, David Richard Ton, MD had 340 Medicare Part D claims for 129 beneficiaries; the average among hospitalist physician prescribers was 521. 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.