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

Dr. Maria L Restrepo Calis, MD

Individual provider Internal Medicine Physician · NPI 1841389111

Dr. Maria L Restrepo Calis, MD practises Internal Medicine in Greenbelt, Maryland. Qualified in 1999, 27 years ago. Practices with Southern Maryland Medical Group LLC, a 21-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
27
Licensed in
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

7500 Greenway Center Dr Ste 1200
Greenbelt, MD 20770-3556
Phone: (301) 486-7580
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence D0060302 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0060302 (MD)

Record details

NPI number1841389111
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESJanuary 28, 2022
Certification dateJanuary 28, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Southern Maryland Medical Group Llc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients106
Services billed 483 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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 $437 22 payments · 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.

Colleagues at Southern Maryland Medical Group LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 21 clinicians in the practice; 12 are shown here.

Other providers in Greenbelt