Quick answers
- Which hospitals does John T. Millington work at?
- Medicare's official clinician data lists John T. Millington at 1 hospital: Sherman Oaks Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John T. Millington see patients?
- Medicare's clinician data lists 1 practice location in Oxnard, CA. Call before your visit to confirm the address.
- What is John T. Millington's specialty?
- Medicare lists Undersea and Hyperbaric Medicine as the primary specialty, and also Family Practice.
- Does John T. Millington accept Medicare assignment?
- Yes. Medicare's clinician data says John T. Millington 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 T. Millington?
- (805) 494-1222, as listed in official Medicare / NPI Registry data.
- What is John T. Millington's NPI number?
- 1740346931. 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 T. Millington works
Medicare's Facility Affiliation Data lists John T. Millington at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sherman Oaks HospitalSherman Oaks, CA · Acute Care Hospital · CCN 050755
Practice locations
Addresses where John T. Millington is enrolled with Medicare (CMS data updated 2026-10-02).
- 903 W 7th StOxnard, CA 93030 (805) 494‑1222
Specialties
Find other Undersea and Hyperbaric Medicine doctors in California →
Other hyperbaric medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1969 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740346931 |
| 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