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

William M Demayo, MD

Individual provider Physical Medicine & Rehabilitation Physician · NPI 1841471364

William M Demayo, MD is a Physical Medicine and Rehabilitation in Johnstown, Pennsylvania. Graduated from Columbia University College of Physicians and Surgeons in 1986, 40 years ago. Practices with Symphony Specialty Group, LLC, a 14-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
40
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
PA
In the registry since
2007
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

360 Goucher St
Johnstown, PA 15905-3400
Phone: (814) 288-4448
Fax: (814) 288-4477
Show map & directions

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

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence MD059344L (PA)

Record details

NPI number1841471364
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 27, 2007
Last updated in NPPESNovember 27, 2007
Mailing address360 Goucher St, Johnstown, PA 15905-3400

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1986 (40 years in practice)
Group practice Symphony Specialty Group, Llc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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