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

Mary L Marshall, APN

Individual provider Registered Nurse · NPI 1770030801

Mary L Marshall, APN is a Nurse Practitioner in Rockford, Illinois. Qualified in 2016, 10 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

1340 Charles St Ste 300
Rockford, IL 61104-2200
Phone: (779) 696-5888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209-014991 (IL)
Registered Nurse Taxonomy 163W00000X · Licence 041343459 (IL)

Record details

NPI number1770030801
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedSeptember 7, 2016
Last updated in NPPESOctober 21, 2016
Mailing addressPo Box 1567, Rockford, IL 61110-0067

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rockford