I Jen Chen, MD
Internal Medicine Physician · Seattle, WA
I Jen Chen, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1023187622, issued on Nov 7, 2006. Check the license (Washington MD00022361, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- I Jen Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00022361 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10317 Greenwood Avenue N, Seattle, WA 98133
- Phone
- (206) 297-6056
- Enumerated
- Nov 7, 2006
- Record last updated
- Jun 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (206) 297-6059
- Medicaid ID
- 1017870 WA
- Medicare enrollment
- Enrolled (PECOS I20100917000341); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Verify I Jen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00022361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,157 Medicare Part D claims for 75 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium194 claims
- Levothyroxine Sodium188 claims
- Tamsulosin Hcl170 claims
- Amlodipine Besylate153 claims
- Furosemide134 claims
- Metformin Hcl110 claims
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.
I Jen Chen among 3,079 internal medicine physician records in Washington
I Jen Chen, MD 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 fileYes · 60% of these records are
- Graduated1977 · median 2006 among the 1,852 with a school on file
- 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).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacob Fleet, M.D.Seattle, WA 981331356347579
- Geoffrey Harris, MDSeattle, WA 981331952388340
- Kathryn Harris, MDSeattle, WA 981331679550073
- Cheryl Jacobs, MDSeattle, WA 981331164529038
- Soon Kimm, M.D.Shoreline, WA 981331912985169
- Thomas King, M.D.Seattle, WA 981331669449062
- Alexander Krajina, MDSeattle, WA 981331508842394
- Naomi Lee, MDSeattle, WA 981331306858816
Common questions
What is I Jen Chen, MD's NPI number?
I Jen Chen, MD's National Provider Identifier (NPI) is 1023187622, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is I Jen Chen, MD located?
The NPPES record lists a practice address at 10317 Greenwood Avenue N, Seattle, WA, 98133. Phone: (206) 297-6056. Providers update this record themselves, so call before visiting.
How can I verify I Jen Chen, MD's license?
NPPES lists Washington license number MD00022361, 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 I Jen Chen, MD prescribe under Medicare Part D?
In 2024, I Jen Chen, MD had 3,157 Medicare Part D claims for 75 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.