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

William A Castaldo, MD

Individual provider Pulmonary Disease Physician · NPI 1588669139

William A Castaldo, MD is a Critical Care (Intensivists) in Troy, Ohio. Qualified in 1981, 45 years ago. Practices with Beacon Medical Group Inc, a 574-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
45
Licensed in
OH
In the registry since
2005
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3006 N County Road 25A Ste 102
Troy, OH 45373-1373
Phone: (937) 335-2075
Fax: (937) 339-0612
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 35064655 (OH)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 35064655 (OH)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 35064655 (OH)
Hospitalist Physician Taxonomy 208M00000X · Licence 35064655 (OH)

Record details

NPI number1588669139
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2005
Last updated in NPPESApril 12, 2013
Mailing addressPo Box 1013, Troy, OH 45373-8013

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Beacon Medical Group Inc — 574 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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