Quick answers
- Which hospitals does Junyan Gu work at?
- Medicare's official clinician data lists Junyan Gu at 3 hospitals: Meritus Medical Center, WellSpan Chambersburg Hospital and WellSpan Waynesboro Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Junyan Gu see patients?
- Medicare's clinician data lists 7 practice locations, including Cockeysville, MD, Hagerstown, MD and Chambersburg, PA. Call before your visit to confirm the address.
- What is Junyan Gu's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does Junyan Gu accept Medicare assignment?
- Yes. Medicare's clinician data says Junyan Gu 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.
- What is the phone number for Junyan Gu?
- (410) 825-4530, as listed in official Medicare / NPI Registry data.
- What is Junyan Gu's NPI number?
- 1144514340. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Junyan Gu works
Medicare's Facility Affiliation Data lists Junyan Gu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Meritus Medical CenterHagerstown, MD · Acute Care Hospital · CCN 210001
- WellSpan Chambersburg HospitalChambersburg, PA · Acute Care Hospital · CCN 390151
- WellSpan Waynesboro HospitalWaynesboro, PA · Acute Care Hospital · CCN 390138
Practice locations
Addresses where Junyan Gu is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 110 Old Padonia Rd, Suite 101Cockeysville, MD 21030 (410) 825‑4530
- 1110 Professional Ct, Suite 100Hagerstown, MD 21740 (301) 714‑4335
- 11110 Medical Campus Rd, Suite 125Hagerstown, MD 21742 (301) 714‑4335
- 11116 Medical Campus RdHagerstown, MD 21742 (301) 714‑4335
- 121 Chambers Hill DrChambersburg, PA 17201 (410) 825‑4530
Group practices
Medicare enrollment lists Junyan Gu as a member of this group (CMS data updated 2026-10-02).
- Samer Saiedy MD PA15 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Cockeysville
Clinicians with the same Medicare primary specialty in Cockeysville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144514340 |
| 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