Dean Wong Thongkham, M.D.
Diagnostic Radiology Physician · Stanford, CA
Dean Wong Thongkham, M.D. is a diagnostic radiology physician with a practice address in Stanford, California, and NPI 1356704605, issued on Apr 4, 2016. Check the license (California A172745, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dean Wong Thongkham
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- A172745 CA
105426 GA
8612 GA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Apr 4, 2016
- Record last updated
- Sep 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20220422000832); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dean Wong Thongkham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A172745Check 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: $251.32
9 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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 2 group practices
- Diagnostic Radiologists PCPortland, OR
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dean Wong Thongkham among 4,500 diagnostic radiology physician records in California
Dean Wong Thongkham, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
235 diagnostic radiology physician records list a practice address in Stanford
They are 235 of the 5,606 NPPES records with a practice address in Stanford, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Stanford → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Robert Boutin, MDStanford, CA 943051922088236
- Joseph Demartini, MDStanford, CA 943051043297096
- Aaron Hayashi, MDStanford, CA 943051336104082
- Kathy Keller, MDStanford, CA 943051255395257
- Mayil Krishnam, MDStanford, CA 943051467481192
- Curtis Langlotz, MD PHDStanford, CA 943051538105077
- Leon Lenchik, MDStanford, CA 943051871578336
- Darren Lum, M.D.Stanford, CA 943051528011806
Common questions
What is Dean Wong Thongkham, M.D.'s NPI number?
Dean Wong Thongkham, M.D.'s National Provider Identifier (NPI) is 1356704605, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Dean Wong Thongkham, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Dean Wong Thongkham, M.D.'s license?
NPPES lists California license number A172745, 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.