NPPES file of Aug 9, 2026

Andrew Tien Duke, M.D.

Critical Care Medicine (Internal Medicine) Physician · Fullerton, CA

Andrew Tien Duke, M.D. is a critical care medicine (internal medicine) physician with a practice address in Fullerton, California, and NPI 1013986959, issued on Mar 14, 2006. Check the license (California A74218, 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
1013986959
Name
Andrew Tien Duke
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
A74218 CA
Self-reported in NPPES; status is on the state search
Practice location
100 E Valencia Mesa Dr, Fullerton, CA 92835
Phone
(714) 992-3969
Enumerated
Mar 14, 2006
Record last updated
May 19, 2025
Medicare enrollment
Enrolled (PECOS I20050804000729); accepts Medicare assignment
Medical or professional school
Loma Linda 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 100 E Valencia Mesa Dr

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

  1. May Ali, PA-CSurgical Physician Assistant1952589459
  2. Donald Armstrong, M.D.Gynecology Physician1881672665
  3. Serhat Aytug, M.D.Endocrinology, Diabetes & Metabolism Physician1194707471
  4. Ricarda Benz, M.D.Gynecology Physician1669453254
  5. Jeffrey Bodwin, MDEndocrinology, Diabetes & Metabolism Physician1932195476
  6. Dennis Briley, PASurgical Physician Assistant1174731640

Verify Andrew Tien Duke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74218
    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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Industry payments in 2024: $22.01

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrew Duke$22.01
  2. Specialty average$2,958.68

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. Providence Medical FoundationFullerton, CA

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

Andrew Tien Duke among 723 critical care medicine (internal medicine) physician records in California

Andrew Tien Duke, M.D. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 60% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1999 · median 2005 among the 559 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Arman Sheibanikia, M.DFullerton, CA 928351194960385
  2. Dana Tran, M.D.Fullerton, CA 928351164566311
  3. Adrian Bose, M.D.Brea, CA 928211104032630
  4. Bita Hernandez, MDAnaheim, CA 928071578611471
  5. Rajan Garg, MDAnaheim, CA 928041861713141
  6. Adithya Cattamanchi, MDOrange, CA 928681336106871
  7. Amir Ghiassi, M.D.Orange, CA 928681518983899
  8. Shahid Hayat, M.D.Orange, CA 928681316047913

Common questions

What is Andrew Tien Duke, M.D.'s NPI number?

Andrew Tien Duke, M.D.'s National Provider Identifier (NPI) is 1013986959, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Tien Duke, M.D. located?

The NPPES record lists a practice address at 100 E Valencia Mesa Dr, Fullerton, CA, 92835. Phone: (714) 992-3969. Providers update this record themselves, so call before visiting.

How can I verify Andrew Tien Duke, M.D.'s license?

NPPES lists California license number A74218, 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.

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.