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

MS. Nellie Riendeau Lazar, CRNP

Individual provider Primary Care Nurse Practitioner · NPI 1891778239

MS. Nellie Riendeau Lazar, CRNP is a Primary Care Nurse Practitioner in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2005.

Licensed in
PA
In the registry since
2005
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

3535 Market St Ste 1371 Chop Adolescent Initiative
Philadelphia, PA 19104-5021
Phone: (215) 590-3626
Fax: (215) 590-0426
Show map & directions

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

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence SP008400 (PA)

Record details

NPI number1891778239
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESDecember 17, 2014

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