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

Donald K. Marcus, MD

Individual provider Infectious Disease Physician · NPI 1003880071

Donald K. Marcus, MD is an Internal Medicine in Southampton, Pennsylvania. Graduated from Boston University School of Medicine in 1983, 43 years ago. Practices with Infectious Diseases Associates PC, a 9-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
43
Trained at
Boston University School of Medicine
Licensed in
PA
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

729 Grove Ave Unit 4
Southampton, PA 18966
Phone: (215) 355-9634
Fax: (215) 357-7540
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD031686E (PA)

Record details

NPI number1003880071
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESMay 18, 2021
Certification dateMay 18, 2021
Mailing address729 Grove Ave Unit 4, Southampton, PA 18966-6008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Infectious Diseases Associates Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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