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

Gregory Conrad Stachelek, MD, PHD

Individual provider Radiation Oncology Physician · NPI 1245687557

Gregory Conrad Stachelek, MD, PHD is a Radiation Oncology in Darby, Pennsylvania. Graduated from Yale University School of Medicine in 2016, 10 years ago. Practices with Trinity Health Mid-Atlantic Medical Group, a 357-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
10
Trained at
Yale University School of Medicine
Licensed in
PA
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1500 Lansdowne Ave
Darby, PA 19023-1200
Phone: (610) 237-5070
Show map & directions

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

Additional practice locations (1)

  • 1201 Langhorne Newtown Rd, Langhorne, PA 19047-1201 — (215) 607-6989

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD475475 (PA)

Record details

NPI number1245687557
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 17, 2016
Last updated in NPPESMay 20, 2023
Certification dateMay 20, 2023
Mailing address1500 Lansdowne Ave, Darby, PA 19023-1200

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Trinity Health Mid-Atlantic Medical Group — 357 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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