Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William John Ryan, MD

Individual provider Pulmonary Disease Physician · NPI 1841271319

Dr. William John Ryan, MD is a Pulmonary Disease in Boerne, Texas. Qualified in 1971, 55 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
55
Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

34910 Interstate 10 W Ste 601
Boerne, TX 78006-9229
Phone: (830) 248-1207
Fax: (830) 331-1110
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence F2431 (TX)

Record details

NPI number1841271319
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 10, 2005
Last updated in NPPESFebruary 4, 2015
Mailing address34910 Interstate 10 W, Suite 601, Boerne, TX 78006-9229

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Medical schoolOTHER
Graduated 1971 (55 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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