Quick answers
- Which hospitals does Jack O. Sipperley work at?
- Medicare's official clinician data lists Jack O. Sipperley at 1 hospital: Havasu Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jack O. Sipperley see patients?
- Medicare's clinician data lists 1 practice location in Phoenix, AZ. Call before your visit to confirm the address.
- What is Jack O. Sipperley's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Jack O. Sipperley accept Medicare assignment?
- Yes. Medicare's clinician data says Jack O. Sipperley 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 Jack O. Sipperley?
- (602) 955-1000, as listed in official Medicare / NPI Registry data.
- What is Jack O. Sipperley's NPI number?
- 1235130402. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jack O. Sipperley works
Medicare's Facility Affiliation Data lists Jack O. Sipperley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Havasu Regional Medical CenterLake Havasu City, AZ · Acute Care Hospital · CCN 030069
Practice locations
Addresses where Jack O. Sipperley is enrolled with Medicare (CMS data updated 2026-10-02).
- 4800 N 22nd St, Suite 120Phoenix, AZ 85016 (602) 955‑1000
Group practices
Medicare enrollment lists Jack O. Sipperley as a member of this group (CMS data updated 2026-10-02).
- Barnet Dulaney Perkins Eye Center, PC105 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235130402 |
| 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