DR. MARENA PATRONAS M.D.
NPI 1992928352
Ophthalmology in Warrenton, VA

Active since April 11, 2007PECOS EnrolledAccepts Medicare Assignment
45 N HILL DR STE 202, WARRENTON, VA 20186(540) 349-1882(703) 738-7157 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 30, 2025, Apr 11, 2025 (2 updates tracked since 2025).

About Dr. Marena Patronas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARENA PATRONAS M.D. (NPI 1992928352) is an individual ophthalmology provider in Warrenton, Virginia, licensed in Virginia (0101252487) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Sterling.

NPPES Registry Identity

NPI1992928352
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. MARENA PATRONASCredential: M.D.
Location Address45 N HILL DR STE 202Warrenton, VA 20186-2677
Mailing Address45 N Hill Dr Ste 202Warrenton, VA 20186-2677 · (540) 349-1882 · Fax (703) 738-7157
Fax(703) 738-7157
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2003
Enumeration DateApril 11, 2007
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
NPI 1992928352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in VA · 0101252487
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
45 N HILL DR STE 202, Warrenton, VA 20186

Secondary Practice Location 1

Location 121475 Ridgetop Circle Suite 300Sterling, VA 20166-8580 · Phone (703) 430-4400 · Fax (703) 430-4130

Other Identifiers 2

Medicaid30015807600001VA
Medicaid1992928352VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Marena Patronas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537250691
PECOS Enrollment IDI20150604002910, I20150901002500
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, faricimab-svoa, 0.1 mg J2777
Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.
4,272 services19 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
1,350 services641 patients
Injection, aflibercept, 1 mg J0178
Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.
752 services94 patients
Injection of drug into eye 67028
An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.
568 services140 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
550 services325 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
334 services266 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20186 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
45 N HILL DR STE 202
WARRENTON, VA 20186
Ophthalmology
45 N HILL DR STE 202
WARRENTON, VA 20186
Ophthalmology (Retina Specialist)
45 N HILL DR STE 202
WARRENTON, VA 20186
Ophthalmology (Retina Specialist)
45 N HILL DR STE 202
WARRENTON, VA 20186
Ophthalmology
45 N HILL DR STE 202
WARRENTON, VA 20186
Nurse Practitioner (Family)
45 N HILL DR STE 202
WARRENTON, VA 20186

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marena Patronas's NPI number?

The NPI number for Marena Patronas is 1992928352. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Marena Patronas located?

Marena Patronas practices at 45 N Hill Dr Ste 202, Warrenton, VA 20186. The listed phone number is (540) 349-1882.

What is Marena Patronas's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Marena Patronas enrolled in Medicare?

Yes. Marena Patronas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Marena Patronas affiliated with any hospitals?

According to CMS data, Marena Patronas is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Marena Patronas was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.