Quick answers
- Which hospitals does John Gao work at?
- Medicare's official clinician data lists John Gao at 5 hospitals: Mayo Clinic Health System - Albert Lea and Austin, Mayo Clinic Health System - Cannon Falls, Mayo Clinic Health System - Lake City, Mayo Clinic Health System in Red Wing and Owatonna Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Gao see patients?
- Medicare's clinician data lists 18 practice locations, including Mankato, MN, Saint James, MN and New York, NY. Call before your visit to confirm the address.
- What is John Gao's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John Gao accept Medicare assignment?
- Yes. Medicare's clinician data says John Gao 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 John Gao?
- (507) 625-4031, as listed in official Medicare / NPI Registry data.
- What is John Gao's NPI number?
- 1215496351. 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 Gao works
Medicare's Facility Affiliation Data lists John Gao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN · Acute Care Hospital · CCN 240043
- Mayo Clinic Health System - Cannon FallsCannon Falls, MN · Critical Access Hospital · CCN 241346
- Mayo Clinic Health System - Lake CityLake City, MN · Critical Access Hospital · CCN 241338
- Mayo Clinic Health System in Red WingRed Wing, MN · Acute Care Hospital · CCN 240018
- Owatonna HospitalOwatonna, MN · Acute Care Hospital · CCN 240069
Practice locations
Addresses where John Gao is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 18; the Medicare profile lists all.
- 1025 Marsh StMankato, MN 56001 (507) 625‑4031
- 1101 Moulton and Parsons DrSaint James, MN 56081 (507) 375‑3391
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 13303 Jamaica AveJamaica, NY 11418 (718) 206‑6923
- 150 E 32nd StNew York, NY 10016 (212) 263‑3049
Group practices
Medicare enrollment lists John Gao as a member of these groups (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
- Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
- Mayo Clinic Health System-Southeast Minnesota Region551 clinicians in the group
- Mayo Clinic Health System-Fairmont155 clinicians in the group
- Mayo Clinic Health System-St James76 clinicians in the group
- Mayo Clinic Health System-Lake City69 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Clinician information
| Medical school | Tulane University School Of Medicine |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215496351 |
| 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