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

Ignacio Inaki Mendiguren, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1578612644

Ignacio Inaki Mendiguren, MD is a Pulmonary Disease in Leesburg, Virginia. Graduated from Tufts University School of Medicine in 1984, 42 years ago. Practices with Commonwealth Critical Care LLC, a 25-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
42
Trained at
Tufts University School of Medicine
Licensed in
VA
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

44055 Riverside Pkwy
Leesburg, VA 20176-5179
Phone: (703) 858-6900
Fax: (703) 858-6900
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 0101044605 (VA)

Record details

NPI number1578612644
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 9, 2007
Last updated in NPPESApril 1, 2010
Mailing addressPo Box 386, Waterford, VA 20197

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Commonwealth Critical Care Llc — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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