Quick answers
- Which hospitals does William J. Ryan work at?
- Medicare's official clinician data lists William J. Ryan at 2 hospitals: Hill Country Memorial Hospital and Peterson Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Ryan see patients?
- Medicare's clinician data lists 2 practice locations, including Boerne, TX. Call before your visit to confirm the address.
- What is William J. Ryan's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does William J. Ryan accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Ryan 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 William J. Ryan?
- (830) 248-1207, as listed in official Medicare / NPI Registry data.
- What is William J. Ryan's NPI number?
- 1841271319. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Ryan works
Medicare's Facility Affiliation Data lists William J. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hill Country Memorial HospitalFredericksburg, TX · Acute Care Hospital · CCN 450604
- Peterson Regional Medical CenterKerrville, TX · Acute Care Hospital · CCN 450007
Practice locations
Addresses where William J. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 34910 Ih 10, Suite 601Boerne, TX 78006
- 34910 Ih 10 W, 601 Pulmonary Medicine of BoerneBoerne, TX 78006 (830) 248‑1207
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Boerne
Clinicians with the same Medicare primary specialty in Boerne, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841271319 |
| 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