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

Dr. Donald Joseph Johann Jr., MD

Individual provider Hematology & Oncology Physician · NPI 1477731263

Dr. Donald Joseph Johann Jr., MD is a Hematology & Oncology Physician in Little Rock, Arkansas. Licensed in Arkansas and New York. Registered with an NPI since 2008.

Licensed in
AR, NY
In the registry since
2008
Specialties on file
3
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

4301 W Markham St # 783
Little Rock, AR 72205-7101
Phone: (501) 686-8000
Fax: (501) 562-6562
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence E-8041 (AR)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 205886 (NY)
Medical Oncology Physician Taxonomy 207RX0202X · Licence E-8041 (AR)

Record details

NPI number1477731263
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 5, 2008
Last updated in NPPESSeptember 4, 2014

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