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

Dr. Leonard Khalil Kassis, MD

Individual provider Internal Medicine Physician · NPI 1659547818

Dr. Leonard Khalil Kassis, MD is an Internal Medicine in Rockville, Maryland. Graduated from Jc Edwards School of Medicine, Marshall University in 1995, 31 years ago. Practices with Manbir Takhar PC, a 40-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
31
Trained at
Jc Edwards School of Medicine, Marshall University
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

350 Ste D Fortune Terr
Rockville, MD 20854-2972
Phone: (301) 309-0016
Fax: (301) 309-0174
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 D0054434 (MD)

Record details

NPI number1659547818
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 7, 2008
Last updated in NPPESMay 7, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolJC EDWARDS SCHOOL OF MEDICINE, MARSHALL UNIVERSITY
Graduated 1995 (31 years in practice)
Group practice Manbir Takhar Pc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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