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

Mr. David Matthew Janiszewski, CNP

Individual provider General Practice Registered Nurse · NPI 1336383124

Mr. David Matthew Janiszewski, CNP is a General Practice Registered Nurse in Cleveland, Ohio. Licensed in Ohio. Registered with an NPI since 2009.

Licensed in
OH
In the registry since
2009
Specialties on file
2
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

11100 Euclid Ave Mail Stop Lks 5035
Cleveland, OH 44106-1716
Phone: (216) 844-5770
Fax: (216) 844-1202
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence COA.10549-NP (OH)
General Practice Registered Nurse Taxonomy 163WG0000X · Licence RN.346093-COA1 (OH)

Record details

NPI number1336383124
Entity typeIndividual (Type 1)
GenderMale
Credentials CNP
Sole proprietorNo
NPI enumeratedApril 24, 2009
Last updated in NPPESMarch 7, 2012

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