Quick answers
- Which hospitals does John Y. Peng work at?
- Medicare's official clinician data lists John Y. Peng at 1 hospital: Virginia Mason Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Y. Peng see patients?
- Medicare's clinician data lists 2 practice locations, including Lynnwood, WA and Glenview, IL. Call before your visit to confirm the address.
- What is John Y. Peng's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Y. Peng accept Medicare assignment?
- Yes. Medicare's clinician data says John Y. Peng accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John Y. Peng offer telehealth?
- Medicare's clinician data says John Y. Peng offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Y. Peng?
- (425) 712-7900, as listed in official Medicare / NPI Registry data.
- What is John Y. Peng's NPI number?
- 1669485447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Y. Peng works
Medicare's Facility Affiliation Data lists John Y. Peng at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospital · CCN 500005
Practice locations
Addresses where John Y. Peng is enrolled with Medicare (CMS data updated 2026-10-02).
- 19116 33rd Ave WLynnwood, WA 98036 (425) 712‑7900
- 2600 Compass RdGlenview, IL 60026
Group practices
Medicare enrollment lists John Y. Peng as a member of these groups (CMS data updated 2026-10-02).
- Select Rehabilitation, LLC2,046 clinicians in the group
- Virginia Mason Medical Center867 clinicians in the group
- Select Outpatient Services Inc805 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lynnwood
Clinicians with the same Medicare primary specialty in Lynnwood, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669485447 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians