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

Ronald I Cantor & Willaim Biermann MD PC

Organization Hematology & Oncology Physician · NPI 1023192606

Ronald I Cantor & Willaim Biermann MD PC is a Hematology & Oncology Physician in Philadelphia, Pennsylvania. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

834 Walnut St Ste 110
Philadelphia, PA 19107-5109
Phone: (215) 955-6039
Fax: (215) 955-5155
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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

Record details

NPI number1023192606
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Deborah Antonini — Practice Manager · (215) 955-6039
NPI enumeratedOctober 24, 2006
Last updated in NPPESJuly 10, 2008
Mailing address834 Walnut St, Ste 110, Philadelphia, PA 19107-5109

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