John Y. Peng, MD
Internal Medicine Physician · Lynnwood, WA
John Y. Peng, MD is an internal medicine physician with a practice address in Lynnwood, Washington, and NPI 1669485447, issued on Aug 14, 2006. Check the license (Washington MD00037612, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John Y. Peng
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00037612 WA
Self-reported in NPPES; status is on the state search - Practice location
- 19116 33RD Ave W, Lynnwood, WA 98036
- Phone
- (425) 771-7500
- Enumerated
- Aug 14, 2006
- Record last updated
- Feb 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (425) 712-7903
- Medicaid ID
- 8254336 WA
- Medicare enrollment
- Enrolled (PECOS I20050303000348); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1997
- 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 19116 33RD Ave W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristie Blade, MDInternal Medicine Physician1033254842
- Carrie Bryant, MDInternal Medicine Physician1265408488
- Gayle Debolt-Richins, ARNPFamily Nurse Practitioner1629405238
- Ingrid Gerbino, MDInternal Medicine Physician1679683536
- Jimy Gillette, MDInternal Medicine Physician1821108713
- Hannah Goettle, ARNPNurse Practitioner1003582362
Verify John Y. Peng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00037612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average internal medicine physician in 2024
5,203 Medicare Part D claims for 525 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 237 claims were for opioids.
Most prescribed
- Atorvastatin Calcium282 claims
- Omeprazole229 claims
- Levothyroxine Sodium206 claims
- Amlodipine Besylate181 claims
- Metoprolol Succinate158 claims
- Gabapentin133 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.
Industry payments in 2024: $137.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
3 hospitals and group practices
- Virginia Mason Medical CenterLynnwood, WA · Acute Care Hospitals5 of 5 stars
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Y. Peng among 3,079 internal medicine physician records in Washington
John Y. Peng, 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
- Graduated1997 · median 2006 among the 1,852 with a school on file
- Record last updated2013 · 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).
Internal Medicine Physician providers in Washington
There are 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Lynnwood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robin Atkinson, DOLynwood, WA 980361437319811
- Kristie Blade, MDLynnwood, WA 980361033254842
- Carrie Bryant, MDLynnwood, WA 980361265408488
- Ingrid Gerbino, MDLynnwood, WA 980361679683536
- Jimy Gillette, MDLynnwood, WA 980361821108713
- Denise Hastings, M.D.Lynnwood, WA 980361750439055
- Karen Hibbert, M.D.Lynnwood, WA 980361710977194
- Shelly Khurana, MDLynnwood, WA 980361710098785
Common questions
What is John Y. Peng, MD's NPI number?
John Y. Peng, MD's National Provider Identifier (NPI) is 1669485447, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Y. Peng, MD located?
The NPPES record lists a practice address at 19116 33RD Ave W, Lynnwood, WA, 98036. Phone: (425) 771-7500. Providers update this record themselves, so call before visiting.
How can I verify John Y. Peng, MD's license?
NPPES lists Washington license number MD00037612, 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 John Y. Peng, MD prescribe under Medicare Part D?
In 2024, John Y. Peng, MD had 5,203 Medicare Part D claims for 525 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.