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

Dr. Mariaileen Sourwine, MD

Individual provider Internal Medicine Physician · NPI 1528227378

Dr. Mariaileen Sourwine, MD is an Internal Medicine in Arnold, Maryland. Graduated from University of Maryland School of Medicine in 2008, 18 years ago. Practices with Privia Care Center LLC, a 287-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
18
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2008
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

277 Peninsula Farm Rd Ste I
Arnold, MD 21012-1018
Phone: (410) 989-8833
Fax: (410) 975-5641
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D72591 (MD)

Record details

NPI number1528227378
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2008
Last updated in NPPESDecember 7, 2021
Certification dateDecember 7, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Privia Care Center Llc — 287 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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