Mark Lawrence Bilowus, M.D.
Urology Physician · Reston, VA
Mark Lawrence Bilowus, M.D. is a urology physician with a practice address in Reston, Virginia, and NPI 1174616692, issued on Oct 2, 2006. Check the license (Virginia 0101038025, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Lawrence Bilowus
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 0101038025 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Town Center Parkway, Reston, VA 20190
- Phone
- (703) 478-0260
- Enumerated
- Oct 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (703) 478-2718
- Entity
- Type 1 · individual
8 nearest urology physician records → All 359 in Virginia → Look up another NPI →
Also registered at 1850 Town Center Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Lawrence Bilowus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101038025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average urology physician in 2024
47 Medicare Part D claims for 16 beneficiaries, against an average of 1,340 among the 10,782 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.
Industry payments in 2024: $167.10
2 payments; by number, the most common kind was food and beverage; the largest payer was Bioprotect Medical, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Mark Lawrence Bilowus among 359 urology physician records in Virginia
Mark Lawrence Bilowus, M.D. is one of 359 urology physician records with a practice address in Virginia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Virginia
There are 359 urology physician records in Virginia.
All 359 in Virginia → Every provider in Reston → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Janice Arnold, MDReston, VA 201901831150382
- Gary Fialk, M.D.Reston, VA 201901376518670
- Nicholas Lailas, MDReston, VA 201901750376539
- David Pfeffer, M.D.Warrenton, VA 201861124108600
- Kinnari KennedyLeesburg, VA 201761952763435
- Kyle Lester, D.O.Leesburg, VA 201761225441660
- Ross Liao, MDLeesburg, VA 201761053828020
- Walter O'Brien, MDLeesburg, VA 201761730173360
Common questions
What is Mark Lawrence Bilowus, M.D.'s NPI number?
Mark Lawrence Bilowus, M.D.'s National Provider Identifier (NPI) is 1174616692, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Lawrence Bilowus, M.D. located?
The NPPES record lists a practice address at 1850 Town Center Parkway, Reston, VA, 20190. Phone: (703) 478-0260. Providers update this record themselves, so call before visiting.
How can I verify Mark Lawrence Bilowus, M.D.'s license?
NPPES lists Virginia license number 0101038025, 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 Mark Lawrence Bilowus, M.D. prescribe under Medicare Part D?
In 2024, Mark Lawrence Bilowus, M.D. had 47 Medicare Part D claims for 16 beneficiaries; the average among urology physician prescribers was 1,340. 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.