Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mary Frekko Kilavos, MD

Individual provider Internal Medicine Physician · NPI 1609841188

Dr. Mary Frekko Kilavos, MD practises Internal Medicine in Gaithersburg, Maryland. Graduated from Georgetown University School of Medicine in 2002, 24 years ago. Practices with Johns Hopkins Community Physicians, Inc, a 765-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia and Maryland.

Years since qualifying
24
Trained at
Georgetown University School of Medicine
Licensed in
DC, MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

818 W Diamond Ave Ste 130
Gaithersburg, MD 20878
Phone: (301) 948-8780
Fax: (301) 519-9093
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 14955 Shady Grove Rd Ste 100, Rockville, MD 20850-8728 — (301) 990-3190

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0062800 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD046987 (DC)

Record details

NPI number1609841188
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 20, 2006
Last updated in NPPESApril 21, 2025
Certification dateApril 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Johns Hopkins Community Physicians, Inc — 765 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients358
Services billed 1,737 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $26 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Johns Hopkins Community Physicians, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 765 clinicians in the practice; 12 are shown here.

Other providers in Gaithersburg