Andy Christopher Yen, MD
Internal Medicine Physician · Marysville, WA
Andy Christopher Yen, MD is an internal medicine physician with a practice address in Marysville, Washington, and NPI 1043879133, issued on Jun 11, 2019. Check the license (Washington MD61267490, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Andy Christopher Yen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD61267490 WA
Self-reported in NPPES; status is on the state search - Practice location
- 8923 Soper Hill RD, Marysville, WA 98270
- Phone
- (425) 259-0966
- Enumerated
- Jun 11, 2019
- Record last updated
- Jun 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20220901003288); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 8923 Soper Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Bolden, ARNPFamily Nurse Practitioner1528712304
- Dawn Bostic, PTPhysical Therapist1396707469
- Cheryl De Silva, M.D.Pediatrics Physician1568801280
- Maria Teresa DellinoPediatrics Physician1487145389
- Suzanne Gisch, NPFamily Nurse Practitioner1619407467
- Ann Haugen, MDPediatrics Physician1316912538
Verify Andy Christopher Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61267490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average internal medicine physician in 2024
6,078 Medicare Part D claims for 672 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 236 claims were for opioids.
Most prescribed
- Atorvastatin Calcium389 claims
- Losartan Potassium296 claims
- Amlodipine Besylate269 claims
- Levothyroxine Sodium246 claims
- Lisinopril219 claims
- Metoprolol Succinate154 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.
Bills Medicare through one group practice
- Optum Care Washington PLLCLake Stevens, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andy Christopher Yen among 3,079 internal medicine physician records in Washington
Andy Christopher Yen, 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 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2006 among the 1,852 with a school on file
- Record last updated2026 · 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).
18 internal medicine physician records list a practice address in Marysville
They are 18 of the 874 NPPES records with a practice address in Marysville, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Marysville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Chad Cleven, DOMarysville, WA 982701700987856
- Santosa Ho, MDMarysville, WA 982701053378018
- Kathleen Hughes, MDMarysville, WA 982701962512996
- Amandeep KaurMarysville, WA 982701356775266
- Olga Kennedy, MDMarysville, WA 982701699742122
- Toshiko Magnus, MDMarysville, WA 982701750358875
- Mandeep Saini, MDMarysville, WA 982701912974031
- Brett Schweizer, D.O.Marysville, WA 982701265778849
Common questions
What is Andy Christopher Yen, MD's NPI number?
Andy Christopher Yen, MD's National Provider Identifier (NPI) is 1043879133, issued on Jun 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Andy Christopher Yen, MD located?
The NPPES record lists a practice address at 8923 Soper Hill RD, Marysville, WA, 98270. Phone: (425) 259-0966. Providers update this record themselves, so call before visiting.
How can I verify Andy Christopher Yen, MD's license?
NPPES lists Washington license number MD61267490, 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 Andy Christopher Yen, MD prescribe under Medicare Part D?
In 2024, Andy Christopher Yen, MD had 6,078 Medicare Part D claims for 672 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.