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

William J. Ruth, MD

Individual provider Emergency Medicine Physician · NPI 1306931340

William J. Ruth, MD is an Emergency Medicine in South Portland, Maine. Graduated from Warren Alpert Medical School of Brown University in 1997, 29 years ago. Practices with Intermed PA, a 185-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
29
Trained at
Warren Alpert Medical School of Brown University
Licensed in
ME
In the registry since
2006
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

50 Foden Rd Ste 3
South Portland, ME 04106-1718
Phone: (207) 523-8500
Fax: (207) 523-8591
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD15249 (ME)

Record details

NPI number1306931340
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 1997 (29 years in practice)
Group practice Intermed Pa — 185 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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