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

Individual provider Hematology (Internal Medicine) Physician · NPI 1932394095

Dr. Douglass Alan Drelich, MD is a Hematology in Philadelphia, Pennsylvania. Qualified in 2003, 23 years ago. Practices with Jefferson University Physicians, a 1,554-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
23
Licensed in
PA
In the registry since
2007
Specialties on file
2
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

1015 Chestnut St Ste 1321
Philadelphia, PA 19107-4310
Phone: (215) 955-4730
Fax: (215) 503-9188
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence MD438059 (PA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD438059 (PA)

Record details

NPI number1932394095
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2007
Last updated in NPPESDecember 17, 2014

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Jefferson University Physicians — 1554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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