NPPES file of Aug 9, 2026

Daniel Duy Khiem That Ton, MD

Anesthesiology Physician · Menlo Park, CA

Daniel Duy Khiem That Ton, MD is an anesthesiology physician with a practice address in Menlo Park, California, and NPI 1992757694, issued on May 17, 2006. Check the license (California A83996, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992757694
Name
Daniel Duy Khiem That Ton
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A83996 CA
Self-reported in NPPES; status is on the state search
Practice location
1422 EL Camino Real, Menlo Park, CA 94025
Phone
(650) 903-9500
Enumerated
May 17, 2006
Record last updated
Mar 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(650) 903-9500
Medicaid ID
00A839960 CA
Medicare enrollment
Enrolled (PECOS I20040505001510); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1999
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 1422 EL Camino Real

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

  1. Brian Ash, M.D.Anesthesiology Physician1962669531
  2. Nivedita Bhown, M.D.Anesthesiology Physician1154401792
  3. Mark Brown, M.D.Anesthesiology Physician1811067234
  4. Katarzyna Ciesielski, MDAnesthesiology Physician1033215587
  5. Martin Halum, MDAnesthesiology Physician1598096364
  6. Charles Kim, M.D.Anesthesiology Physician1790929602

Verify Daniel Duy Khiem That 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 A83996
    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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The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through one group practice

  1. Silicon Valley Anesthesia Associates IncSan Jose, CA

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

Daniel Duy Khiem That Ton among 7,571 anesthesiology physician records in California

Daniel Duy Khiem That Ton, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1999 · median 2006 among the 4,868 with a school on file
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 anesthesiology physician records list a practice address in Menlo Park

They are 34 of the 1,265 NPPES records with a practice address in Menlo Park, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Nivedita Bhown, M.D.Menlo Park, CA 940251154401792
  2. Mark Brown, M.D.Menlo Park, CA 940251811067234
  3. Katarzyna Ciesielski, MDMenlo Park, CA 940251033215587
  4. Derek Liau, MDMenlo Park, CA 940251366557704
  5. Joseph McGee, M.D.Menlo Park, CA 940251336219740
  6. Daniel Mochizuki, MDMenlo Park, CA 940251790731123
  7. Trung Nguyen, M.D.Menlo Park, CA 940251316018765
  8. Dennis Pham, M.D.Menlo Park, CA 940251760553119

Common questions

What is Daniel Duy Khiem That Ton, MD's NPI number?

Daniel Duy Khiem That Ton, MD's National Provider Identifier (NPI) is 1992757694, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Duy Khiem That Ton, MD located?

The NPPES record lists a practice address at 1422 EL Camino Real, Menlo Park, CA, 94025. Phone: (650) 903-9500. Providers update this record themselves, so call before visiting.

How can I verify Daniel Duy Khiem That Ton, MD's license?

NPPES lists California license number A83996, 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.

What is Daniel Duy Khiem That Ton, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.