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

Maria Marrero, NP

Individual provider Registered Nurse · NPI 1396122784

Maria Marrero, NP is a Nurse Practitioner in Dyer, Indiana. Qualified in 2014, 12 years ago. Practices with Northwest Cancer Centers PC, a 26-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
12
Licensed in
IN
In the registry since
2015
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1001 Calumet Ave
Dyer, IN 46311-1596
Phone: (219) 924-8178
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 3432 169th St, Hammond, IN 46323-2542 — (219) 844-9060

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71005463A (IN)
Registered Nurse Taxonomy 163W00000X · Licence 28162112 (IN)

Record details

NPI number1396122784
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 5, 2015
Last updated in NPPESMarch 22, 2021
Certification dateMarch 22, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Northwest Cancer Centers Pc — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Dyer