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

Dr. Charles W Hollen, MD

Individual provider Hematology & Oncology Physician · NPI 1205855723

Dr. Charles W Hollen, MD is a Hematology & Oncology Physician in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
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

3525 NW 56th St Ste D 100
Oklahoma City, OK 73112-4550
Phone: (405) 942-9200
Fax: (405) 949-1483
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 15779 (OK)

Record details

NPI number1205855723
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESDecember 4, 2009

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