Ignacio Inaki Mendiguren, MD
Critical Care Medicine (Internal Medicine) Physician · Leesburg, VA
Ignacio Inaki Mendiguren, MD is a critical care medicine (internal medicine) physician with a practice address in Leesburg, Virginia, and NPI 1578612644, issued on Jan 9, 2007. Check the license (Virginia 0101044605, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Ignacio Inaki Mendiguren
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 0101044605 VA
Self-reported in NPPES; status is on the state search - Practice location
- 44055 Riverside Pkwy, Leesburg, VA 20176
- Phone
- (703) 858-6900
- Enumerated
- Jan 9, 2007
- Record last updated
- Apr 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (703) 858-6900
- Medicaid ID
- 005858160 VA
- Medicare enrollment
- Enrolled (PECOS I20060502000594); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 176 in Virginia → Look up another NPI →
Also registered at 44055 Riverside Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ignacio Inaki Mendiguren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101044605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
23 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Commonwealth Critical Care LLCLeesburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ignacio Inaki Mendiguren among 176 critical care medicine (internal medicine) physician records in Virginia
Ignacio Inaki Mendiguren, MD is one of 176 critical care medicine (internal medicine) physician records with a practice address in Virginia. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 57% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1984 · median 2007 among the 149 with a school on file
- Record last updated2010 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Virginia
There are 176 critical care medicine (internal medicine) physician records in Virginia.
All 176 in Virginia → Every provider in Leesburg → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Cindy Lee, MDLeesburg, VA 201761205970647
- Eskender Beyene, MDHerndon, VA 201701982642518
- Arij Azhar, MDWarrenton, VA 201861811493299
- Nicholas BatchelorReston, VA 201901831266956
- Scott Chelemer, M.D.Reston, VA 201901063497329
- Mohannad Jabbari, M.D.Reston, VA 201901295140051
- Mahadevappa Hunasikatti, M.DChantilly, VA 201511912936170
- Izuchukwu Obi, M.D.Manassas, VA 201101710150362
Common questions
What is Ignacio Inaki Mendiguren, MD's NPI number?
Ignacio Inaki Mendiguren, MD's National Provider Identifier (NPI) is 1578612644, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ignacio Inaki Mendiguren, MD located?
The NPPES record lists a practice address at 44055 Riverside Pkwy, Leesburg, VA, 20176. Phone: (703) 858-6900. Providers update this record themselves, so call before visiting.
How can I verify Ignacio Inaki Mendiguren, MD's license?
NPPES lists Virginia license number 0101044605, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ignacio Inaki Mendiguren, MD prescribe under Medicare Part D?
In 2024, Ignacio Inaki Mendiguren, MD had 23 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.