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.
- 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
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
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.
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Verify Andrew Tien Duke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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
- 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.
All 723 in California → Every provider in Fullerton → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Arman Sheibanikia, M.DFullerton, CA 928351194960385
- Dana Tran, M.D.Fullerton, CA 928351164566311
- Adrian Bose, M.D.Brea, CA 928211104032630
- Bita Hernandez, MDAnaheim, CA 928071578611471
- Rajan Garg, MDAnaheim, CA 928041861713141
- Adithya Cattamanchi, MDOrange, CA 928681336106871
- Amir Ghiassi, M.D.Orange, CA 928681518983899
- 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.