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

Dr. Jan Zakrzewski, MD

Individual provider Infectious Disease Physician · NPI 1063855328

Dr. Jan Zakrzewski, MD is an Infectious Disease in Upper Marlboro, Maryland. Graduated from State University of New York at Buffalo School of Medicine in 2013, 13 years ago. Practices with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, a 1,934-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
13
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
MD
In the registry since
2013
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

1221 Mercantile Ln
Upper Marlboro, MD 20774
Phone: (301) 618-5647
Fax: (301) 618-5504
Show map & directions

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

Additional practice locations (1)

  • 3800 Reservoir Rd Nw, Washington, DC 20007-2113 — (202) 444-8168

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence D85540 (MD)

Record details

NPI number1063855328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 16, 2013
Last updated in NPPESMay 28, 2021
Certification dateMay 28, 2021

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc — 1934 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount