Quick answers
- Which hospitals does John Anthony B. Teotico work at?
- Medicare's official clinician data lists John Anthony B. Teotico at 1 hospital: Antelope Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Anthony B. Teotico see patients?
- Medicare's clinician data lists 3 practice locations, including Lancaster, CA. Call before your visit to confirm the address.
- What is John Anthony B. Teotico's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Anthony B. Teotico accept Medicare assignment?
- Yes. Medicare's clinician data says John Anthony B. Teotico 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.
- Does John Anthony B. Teotico offer telehealth?
- Medicare's clinician data says John Anthony B. Teotico offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Anthony B. Teotico?
- (661) 948-4429, as listed in official Medicare / NPI Registry data.
- What is John Anthony B. Teotico's NPI number?
- 1942792023. 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 Anthony B. Teotico works
Medicare's Facility Affiliation Data lists John Anthony B. Teotico at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Antelope Valley HospitalLancaster, CA · Acute Care Hospital · CCN 050056
Practice locations
Addresses where John Anthony B. Teotico is enrolled with Medicare (CMS data updated 2026-10-02).
- 1206 W Ave J, Suite 100Lancaster, CA 93534 (661) 948‑4429
- 1642 W Ave JLancaster, CA 93534 (661) 942‑8463
- 44215 15th St W, Suite 103Lancaster, CA 93534 (661) 948‑4429
Group practices
Medicare enrollment lists John Anthony B. Teotico as a member of these groups (CMS data updated 2026-10-02).
- Horizon Multicare Group Inc28 clinicians in the group
- Unified Health Associates11 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lancaster
Clinicians with the same Medicare primary specialty in Lancaster, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1942792023 |
| 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