Shawn Han Sun, MD
Diagnostic Radiology Physician · Stanford, CA
Shawn Han Sun, MD is a diagnostic radiology physician with a practice address in Stanford, California, and NPI 1942887575, issued on Mar 28, 2021. Check the license (California A181998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shawn Han Sun
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- A181998 CA
PTL6985 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 28, 2021
- Record last updated
- Aug 6, 2026
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
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Verify Shawn Han Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A181998Check 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: $298.12
3 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, 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.
Shawn Han Sun among 4,500 diagnostic radiology physician records in California
Shawn Han Sun, MD 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 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 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 Shawn Han Sun, MD's NPI number?
Shawn Han Sun, MD's National Provider Identifier (NPI) is 1942887575, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Shawn Han Sun, MD 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 Shawn Han Sun, MD's license?
NPPES lists California license number A181998, 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.