Mohamed Simpara, MD
Internal Medicine Physician · Fairfax, VA
Mohamed Simpara, MD is an internal medicine physician with a practice address in Fairfax, Virginia, and NPI 1518617034, issued on Mar 27, 2022. Check the license (Virginia 0101289700, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mohamed Simpara
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101289700 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Joseph Siewick Dr, Fairfax, VA 22033
- Phone
- (703) 391-3600
- Enumerated
- Mar 27, 2022
- Record last updated
- Jul 26, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 3600 Joseph Siewick Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mohamed Simpara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101289700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
156 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of 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: $16.73
1 payment: food and beverage; the largest payer was Corcept Therapeutics. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mohamed Simpara among 3,599 internal medicine physician records in Virginia
Mohamed Simpara, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 internal medicine physician records list a practice address in Fairfax
They are 108 of the 6,584 NPPES records with a practice address in Fairfax, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Fairfax → Internal Medicine Physician nationwide →
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- Michael Greene, M.D.Fairfax, VA 220331316045644
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- Thienquang Le, M.D.Fairfax, VA 220331538254875
Common questions
What is Mohamed Simpara, MD's NPI number?
Mohamed Simpara, MD's National Provider Identifier (NPI) is 1518617034, issued on Mar 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mohamed Simpara, MD located?
The NPPES record lists a practice address at 3600 Joseph Siewick Dr, Fairfax, VA, 22033. Phone: (703) 391-3600. Providers update this record themselves, so call before visiting.
How can I verify Mohamed Simpara, MD's license?
NPPES lists Virginia license number 0101289700, 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 Mohamed Simpara, MD prescribe under Medicare Part D?
In 2024, Mohamed Simpara, MD had 156 Medicare Part D claims for 39 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.