Jian Yi Sun, M.D.
Internal Medicine Physician · Bellingham, WA
Jian Yi Sun, M.D. is an internal medicine physician with a practice address in Bellingham, Washington, and NPI 1770542342, issued on Mar 21, 2006. Check the license (Washington MD00043609, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jian Yi Sun
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00043609 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2901 Squalicum Pkwy, Bellingham, WA 98225
- Phone
- (360) 756-6841
- Enumerated
- Mar 21, 2006
- Record last updated
- Nov 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (360) 756-6847
- Medicaid IDs
- 8395188 WA
8935188 WA - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2901 Squalicum Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jian Yi Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00043609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
40 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Jian Yi Sun among 3,079 internal medicine physician records in Washington
Jian Yi Sun, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2010 · 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 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 internal medicine physician records list a practice address in Bellingham
They are 84 of the 5,172 NPPES records with a practice address in Bellingham, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Bellingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Ellingsen, MDBellingham, WA 982251790866424
- Elizabeth Gabay, MDBellingham, WA 982251932127222
- Eduardo Goo, MDBellingham, WA 982251376561266
- Gittle Goodman Wilson, MDBellingham, WA 982251811034234
- Susan Holstine, D.O.Bellingham, WA 982251245299619
- Omar Jaffer, MDBellingham, WA 982251700095494
- Mahnaz Lary, MDBellingham, WA 982251285732289
- Angie Lee, MDBellingham, WA 982251386788784
Common questions
What is Jian Yi Sun, M.D.'s NPI number?
Jian Yi Sun, M.D.'s National Provider Identifier (NPI) is 1770542342, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jian Yi Sun, M.D. located?
The NPPES record lists a practice address at 2901 Squalicum Pkwy, Bellingham, WA, 98225. Phone: (360) 756-6841. Providers update this record themselves, so call before visiting.
How can I verify Jian Yi Sun, M.D.'s license?
NPPES lists Washington license number MD00043609, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jian Yi Sun, M.D. prescribe under Medicare Part D?
In 2024, Jian Yi Sun, M.D. had 40 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.