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

Jan Wemmer, CRNP

Individual provider Nurse Practitioner · NPI 1093755001

Jan Wemmer, CRNP is a Nurse Practitioner in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

1550 Orleans Street Crb Ii Rm 1M16 Johns Hopkins Oncology Center
Baltimore, MD 21287
Phone: (410) 955-8893
Fax: (410) 367-2194
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R073267 (MD)

Record details

NPI number1093755001
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESNovember 3, 2015

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