Mary Kowal, CRNP
Mary Kowal is a Nurse Practitioner based in Washington, DC with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across DC can see Mary Kowal, CRNP in person in Washington or via virtual visit — no travel required. She graduated from Johns Hopkins University School of Medicine in 2013 and has 13+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).
Older · 1959dNPPES updated 2021-01-11 · verify NPI on CMS · Verify license at DC Board of Medicine
How Does This Doctor Compare?
Medicare Patients
83
Unique beneficiaries
Standard volumePrescription Recipients
178
Patients prescribed
Prescriptions Written
1,343
Total claims
Total Medicare drug cost: $369k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Chronic Kidney Disease.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Gradual loss of kidney function over time, often linked to diabetes or hypertension
The heart cannot pump blood efficiently enough to meet the body's needs
An irregular, often rapid heartbeat that increases the risk of stroke
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Joint inflammation causing pain, swelling, and stiffness
A condition where the body cannot properly regulate blood sugar levels
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$363 received from industry
5 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Mary Kowal's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2013
Johns Hopkins University School of Medicine
Board certified · Jan 10, 2021
Self-reported via NPPES
13 years in practice
Established
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Taxonomy: 363L00000X
Education & Training
Johns Hopkins University School of Medicine (Class of 2013)
Mailing address
4023 9th St Ne Apt 3, Washington, DC 20017-3712
Differs from practice location
Virtual Nursing Care With Mary Kowal
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mary Kowal for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Washington required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Mary Kowal
Dr. Kowal is listed as active in the NPI registry with telehealth listed in Washington, DC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (202) 877-7000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Mary Kowal
Practice Location
110 Irving St Nw, Washington, DC 20010-3017
Mailing Address
4023 9th St Ne Apt 3, Washington, DC 20017-3712
This is a provider directory. Contact the office directly to schedule appointments.
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