Quick answers
- Which hospitals does John Lavery work at?
- Medicare's official clinician data lists John Lavery at 1 hospital: Texoma Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Lavery see patients?
- Medicare's clinician data lists 1 practice location in Allen, TX. Call before your visit to confirm the address.
- What is John Lavery's specialty?
- Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
- Does John Lavery accept Medicare assignment?
- Yes. Medicare's clinician data says John Lavery 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 Lavery?
- (972) 747-0709, as listed in official Medicare / NPI Registry data.
- What is John Lavery's NPI number?
- 1740239227. 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 Lavery works
Medicare's Facility Affiliation Data lists John Lavery at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Texoma Medical CenterDenison, TX · Acute Care Hospital · CCN 450324
Practice locations
Addresses where John Lavery is enrolled with Medicare (CMS data updated 2026-10-02).
- 997 Raintree Cir, Suite 120Allen, TX 75013 (972) 747‑0709
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Allen
Clinicians with the same Medicare primary specialty in Allen, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740239227 |
| 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