Quick answers
- Which hospitals does John J. McNerney Jr. work at?
- Medicare's official clinician data lists John J. McNerney Jr. at 1 hospital: Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. McNerney Jr. see patients?
- Medicare's clinician data lists 1 practice location in Tucson, AZ. Call before your visit to confirm the address.
- What is John J. McNerney Jr.'s specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does John J. McNerney Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says John J. McNerney Jr. 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 J. McNerney Jr.?
- (520) 327-3454, as listed in official Medicare / NPI Registry data.
- What is John J. McNerney Jr.'s NPI number?
- 1568469583. 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 J. McNerney Jr. works
Medicare's Facility Affiliation Data lists John J. McNerney Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where John J. McNerney Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 3040 N Swan Rd, Suite BTucson, AZ 85712 (520) 327‑3454
Group practices
Medicare enrollment lists John J. McNerney Jr. as a member of this group (CMS data updated 2026-10-02).
- Tucson Gastroenterology Specialists, PC6 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568469583 |
| 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