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

Individual provider Internal Medicine Physician · NPI 1861553711

Dr. Jonathan David Lowenthal, MD is an Internal Medicine in Prince Frederick, Maryland. Graduated from University of Maryland School of Medicine in 1982, 44 years ago. Practices with Calvert Internal Medicine Group, PA, a 40-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
44
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2006
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

985 Prince Frederick Blvd Ste 201
Prince Frederick, MD 20678-3492
Phone: (410) 535-2005
Fax: (410) 535-4850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D33123 (MD)

Record details

NPI number1861553711
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 13, 2006
Last updated in NPPESJuly 21, 2022
Mailing address985 Prince Frederick Blvd Ste 201, Prince Frederick, MD 20678-3492

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 1982 (44 years in practice)
Group practice Calvert Internal Medicine Group, Pa — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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