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

Cynthia Sinn, RN, MSN, NP-C

Individual provider Nurse Practitioner · NPI 1386629962

Cynthia Sinn, RN, MSN, NP-C is a Nurse Practitioner in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2005.

Licensed in
IN
In the registry since
2005
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

355 W 16th St Ste 5100
Indianapolis, IN 46202-2207
Phone: (317) 396-1300
Fax: (317) 924-8472
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 71000644A (IN)

Record details

NPI number1386629962
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MSN , NP-C
Sole proprietorNo
NPI enumeratedDecember 7, 2005
Last updated in NPPESSeptember 26, 2012

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