Dr. Marena Patronas, MD
- Medicare services, 2024
- 9,253
- Medicare patients, 2024
- 774
- Part D claims, 2024
- 235
- Hospital affiliations
- 2
- Industry payments
- $1,206
- Practice address
- 900 23rd St NW, Washington, DC 20037
- Practice phone
- Call (202) 716-4605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Patronas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marena Patronas is an ophthalmologist in Washington, District of Columbia
Dr. Patronas practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Dr. Patronas' NPI, 1992928352, was assigned on April 11, 2007. Dr. Patronas graduated from Georgetown University School of Medicine in 2003. Dr. Patronas holds Virginia license 0101252487.
- NPI
- 1992928352NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537250691
- NPI enumeration date
- April 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 716-4605
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marena Patronas practices at The George Washington University Hospital in Washington, District of Columbia
Dr. Patronas' primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.
- The George Washington University Hospital900 23rd St NW, Washington, DC 20037 · The District CountyPhone(202) 716-4605
Source: Dmand AI Affiliation Data
Dr. Marena Patronas is affiliated with 6 sites of care and 5 medical groups
Dr. Patronas' primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dr. Patronas is also affiliated with Inova Fairfax Hospital. The medical group on file is The GW Medical Faculty Associates. Dmand AI also links Dr. Patronas to 4 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marena Patronas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patronas practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The George Washington University Hospital | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Universal Health Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marena Patronas is one of 87 ophthalmologists in District of Columbia
Ophthalmology is Dr. Patronas' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Patronas is licensed in Virginia.
Specialties and state licenses
- Ophthalmology, VirginiaPrimary
Ophthalmologists near Dr. Patronas
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marena Patronas billed Medicare for 9,253 services in 2024
CMS data shows 9,253 Medicare services from Dr. Patronas across 16 procedure codes in 2024, for 774 Medicare patients. Medicare paid $984,794 for them. Every service was in an office.
Dr. Patronas' Medicare services by type, 2024
- Drugs given in the office5,718
- Tests and treatments2,188
- Office and hospital visits722
- Surgery611
- Imaging14
Dr. Patronas compared with the District of Columbia median for ophthalmologists, 2024
- Dr. Patronas
- District of Columbia median
- Medicare services
- 9,253vs 67213.8 times
- Medicare patients
- 774vs 3412.3 times
- Part D claims
- 183vs 183Close to median
Medians across 72 ophthalmologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Patronas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Patronas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Patronas and other ophthalmologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marena Patronas treated 774 Medicare patients in 2024, average age 76
CMS counts 774 Medicare patients who saw Dr. Patronas in 2024. The largest group is 65 to 74, with 306 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Patronas' median patient age at 70, with 50% women.
Dr. Patronas' Medicare patients by age, 2024
Dr. Patronas' Medicare patients by sex, 2024
- Women43056%
- Men34444%
Chronic conditions among Dr. Patronas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes39%
- Ischemic heart disease28%
- Chronic kidney disease24%
- Cancer18%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Patronas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marena Patronas wrote 235 Medicare Part D claims in 2024
In 2024, Dr. Patronas wrote 235 Medicare Part D claims for 74 patients. 61% of them were for generic drugs. CMS names the drug for 183 of them, across 8 drugs with 11 or more claims each, at $5,815 in total drug cost.
Dr. Patronas' Part D claims by kind of drug, 2024
- Generic144 claims61%
- Brand-name91 claims39%
Dr. Patronas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Marena Patronas takes part in Medicare
Dr. Patronas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Marena Patronas received $1,206 in industry payments from 2024 to 2025
CMS Open Payments shows 30 general payments to Dr. Patronas from 15 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $318.
General payments to Dr. Patronas by program year, 2024 to 2025
Companies that paid Dr. Patronas the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marena Patronas graduated from Georgetown University School of Medicine
Dr. Patronas graduated from Georgetown University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marena Patronas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marena Patronas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marena Patronas' NPI number?
Dr. Marena Patronas' NPI number is 1992928352. It was assigned on April 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marena Patronas?
Dr. Marena Patronas is an ophthalmologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Marena Patronas practice?
Dr. Patronas practices at 900 23rd St NW, Washington, DC 20037. Dr. Patronas' primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dmand AI also links Dr. Patronas to 4 group practices and clinics and 4 medical groups.
What is Dr. Marena Patronas' office phone number?
The practice phone on file for Dr. Patronas is (202) 716-4605.
What is Dr. Marena Patronas' medical license number?
Dr. Patronas holds Virginia license 0101252487.
Which hospitals is Dr. Marena Patronas affiliated with?
Dr. Patronas practices at The George Washington University Hospital in Washington, District of Columbia. Dr. Patronas is also affiliated with Inova Fairfax Hospital.
What medical group is Dr. Marena Patronas part of?
Dr. Patronas is linked to The GW Medical Faculty Associates. Dmand AI links Dr. Patronas to 4 more medical groups.
Does Dr. Marena Patronas accept Medicare?
Yes. CMS data shows Dr. Patronas billed Medicare for 9,253 services in 2024, and Dr. Patronas accepts Medicare assignment.
How many Medicare patients does Dr. Marena Patronas see?
CMS counts 774 Medicare patients who saw Dr. Patronas in 2024, with an average age of 76.
What services does Dr. Marena Patronas bill to Medicare?
In 2024, Dr. Patronas' most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and injected or infused drug (J0178).
Show 4 more questionsShow fewer questions
Where did Dr. Marena Patronas go to medical school?
Dr. Patronas graduated from Georgetown University School of Medicine in 2003.
What drugs does Dr. Marena Patronas prescribe most?
In 2024 Medicare Part D data, Dr. Patronas' most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Ketorolac Tromethamine.
Has Dr. Marena Patronas received payments from drug or device companies?
CMS Open Payments shows $1,206 in general payments to Dr. Patronas from 15 companies from 2024 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Marena Patronas been practicing?
Dr. Patronas graduated from medical school in 2003, 23 years ago.
Selling to ophthalmology practices?
See ophthalmologists in District of Columbia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card