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

William M Oldham, MD, PHD

Individual provider Pulmonary Disease Physician · NPI 1518126945

William M Oldham, MD, PHD is a Pulmonary Disease in Providence, Rhode Island. Graduated from Vanderbilt University School of Medicine in 2008, 18 years ago. Practices with Rhode Island Hospital, a 428-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Rhode Island.

Years since qualifying
18
Trained at
Vanderbilt University School of Medicine
Licensed in
MA, RI
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

593 Eddy St
Providence, RI 02903-4923
Phone: (401) 444-3565
Fax: (401) 444-5493
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-7420

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD20598 (RI)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 242571 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence L-236013 (MA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD20598 (RI)

Record details

NPI number1518126945
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 2, 2008
Last updated in NPPESApril 15, 2025
Certification dateApril 15, 2025
Mailing addressDept 3010, Po Box 986524, Boston, MA 02298-6524

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Rhode Island Hospital — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Providence