NPPES file of Aug 9, 2026

Marena Patronas, M.D.

Ophthalmology Physician · Warrenton, VA

Marena Patronas, M.D. is an ophthalmology physician with a practice address in Warrenton, Virginia, and NPI 1992928352, issued on Apr 11, 2007. Check the license (Virginia 0101252487, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992928352
Name
Marena Patronas
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
0101252487 VA
Self-reported in NPPES; status is on the state search
Practice location
45 N Hill Dr Ste 202, Warrenton, VA 20186
Phone
(540) 349-1882
Enumerated
Apr 11, 2007
Record last updated
Jun 30, 2025
Fax
(703) 738-7157
Medicaid IDs
30015807600001 VA
1992928352 VA
Medicare enrollment
Enrolled (PECOS I20150901002500); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 45 N Hill Dr Ste 202

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alessa Crossan, M.D.Retina Specialist (Ophthalmology) Physician1477848034
  2. Alexandre Gauthier, M.DOphthalmology Physician1710206057
  3. Sam Mansour, MDOphthalmology Physician1376506873
  4. Malkit Singh, MD MPARetina Specialist (Ophthalmology) Physician1497175681
  5. Sheila Wetherell, FNPFamily Nurse Practitioner1821337932

Verify Marena Patronas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101252487
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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85% fewer Medicare Part D claims than the average ophthalmology physician in 2024

235 Medicare Part D claims for 74 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Marena Patronas235
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate45 claims
  2. Latanoprost27 claims
  3. Ketorolac Tromethamine24 claims
  4. Ofloxacin21 claims
  5. Neomycin-Polymyxin-Dexameth19 claims
  6. Brimonidine Tartrate18 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: $449.33

14 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marena Patronas$449.33
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Dressler Ophthalmology Assoc PLCFairfax, VA
  2. Dulles Eye Associates, P.C.Leesburg, VA
  3. Medical Faculty Associates, IncWashington, DC
  4. Virginia Retina Center LLCWarrenton, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marena Patronas among 592 ophthalmology physician records in Virginia

Marena Patronas, M.D. is one of 592 ophthalmology physician records with a practice address in Virginia. 76% 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 59% of them.

  • NPI issued2007 · 59% of these records are older, 32% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2003 · median 2000 among the 381 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Virginia

There are 592 ophthalmology physician records in Virginia.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Alexandre Gauthier, M.DWarrenton, VA 201861710206057
  2. Sam Mansour, MDWarrenton, VA 201861376506873
  3. David Chow, M.D.Reston, VA 201901134262892
  4. Jacqueline Griffiths, MDReston, VA 201901104891373
  5. Kenneth Karlin, M.D.Reston, VA 201901528061074
  6. Heidi Lisker, M.D.Reston, VA 201901396829537
  7. Elle Milani, MDReston, VA 201901891733085
  8. Nisha Patel, M.D.Reston, VA 201901518173079

Common questions

What is Marena Patronas, M.D.'s NPI number?

Marena Patronas, M.D.'s National Provider Identifier (NPI) is 1992928352, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marena Patronas, M.D. located?

The NPPES record lists a practice address at 45 N Hill Dr Ste 202, Warrenton, VA, 20186. Phone: (540) 349-1882. Providers update this record themselves, so call before visiting.

How can I verify Marena Patronas, M.D.'s license?

NPPES lists Virginia license number 0101252487, 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 Marena Patronas, M.D. prescribe under Medicare Part D?

In 2024, Marena Patronas, M.D. had 235 Medicare Part D claims for 74 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.