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

Dr. Leo Zacharias, MD

Individual provider Internal Medicine Physician · NPI 1346221777

Dr. Leo Zacharias, MD is an Internal Medicine in Darby, Pennsylvania. Qualified in 1989, 37 years ago. Practices with Trinity Health Mid-Atlantic Medical Group, a 357-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
37
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1501 Lansdowne Ave Fl MOB1
Darby, PA 19023-1333
Phone: (610) 534-6310
Show map & directions

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

Additional practice locations (1)

  • 501 S 54th St, Philadelphia, PA 19143-1900 — (215) 748-9707

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD050467 (PA)

Record details

NPI number1346221777
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 11, 2005
Last updated in NPPESMay 19, 2021
Certification dateMay 19, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Trinity Health Mid-Atlantic Medical Group — 357 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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