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

Dr. Katherine Hanna Tkaczuk, MD

Individual provider Medical Oncology Physician · NPI 1225079601

Dr. Katherine Hanna Tkaczuk, MD is a Medical Oncology in Baltimore, Maryland. Qualified in 1984, 42 years ago. Practices with University of Maryland Oncology Associates PA, a 63-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
42
Licensed in
MD
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

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 328-2567
Fax: (410) 328-6896
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence D36146 (MD)

Record details

NPI number1225079601
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESMarch 8, 2011

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice University Of Maryland Oncology Associates Pa — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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