Ivan Peter Harnden, M.D.
Gastroenterology Physician · Fairfax, VA
Ivan Peter Harnden, M.D. is a gastroenterology physician with a practice address in Fairfax, Virginia, and NPI 1568781706, issued on May 27, 2010. Check the license (Virginia 0101260550, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Ivan Peter Harnden
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 0101260550 VA
165250 NC
Self-reported in NPPES; status is on the state search - Practice location
- 8081 Innovation Park Dr, Fairfax, VA 22031
- Phone
- (571) 472-6431
- Enumerated
- May 27, 2010
- Record last updated
- Mar 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20160811000928); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 536 in Virginia → Look up another NPI →
Also registered at 8081 Innovation Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jafar Al-Mondhiry, M.D.Medical Oncology Physician1528446242
- Sheinei Alan, MD, PHDInternal Medicine Physician1073046538
Verify Ivan Peter Harnden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101260550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average gastroenterology physician in 2024
320 Medicare Part D claims for 158 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Pantoprazole Sodium66 claims
- Sod Sulf-Potass Sulf-Mag Sulf34 claims
- Omeprazole33 claims
- Gavilyte-G24 claims
- Dicyclomine Hcl21 claims
- Creon17 claims
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.
Industry payments in 2024: $2,329.55
19 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivan Peter Harnden among 536 gastroenterology physician records in Virginia
Ivan Peter Harnden, M.D. is one of 536 gastroenterology physician records with a practice address in Virginia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 73% of them.
- NPI issued2010 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2010 · median 2001 among the 389 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Virginia
There are 536 gastroenterology physician records in Virginia.
All 536 in Virginia → Every provider in Fairfax → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mahmood Abedi, MDFairfax, VA 220311649255233
- Tonya Adams, M.D.Fairfax, VA 220311861472862
- Nader Balba, MDFairfax, VA 220311013949254
- Lucille Beck, M.DFairfax, VA 220311356332548
- Ali Fazel, M.D.Fairfax, VA 220311225024748
- Ahmed Hegab, M.D.Fairfax, VA 220311699793372
- Behzad Kalaghchi, M.D.Fairfax, VA 220311356337158
- Asma KhapraFairfax, VA 220311770702011
Common questions
What is Ivan Peter Harnden, M.D.'s NPI number?
Ivan Peter Harnden, M.D.'s National Provider Identifier (NPI) is 1568781706, issued on May 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ivan Peter Harnden, M.D. located?
The NPPES record lists a practice address at 8081 Innovation Park Dr, Fairfax, VA, 22031. Phone: (571) 472-6431. Providers update this record themselves, so call before visiting.
How can I verify Ivan Peter Harnden, M.D.'s license?
NPPES lists Virginia license number 0101260550, 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 Ivan Peter Harnden, M.D. prescribe under Medicare Part D?
In 2024, Ivan Peter Harnden, M.D. had 320 Medicare Part D claims for 158 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.