Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Emily L Maass, APRN
Nurse Practitioner in Red Oak, IA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659925600
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Registry record
Entity type Individual (Type 1)
Name Emily L Maass
Credential APRN
Sex Female
Practice address 2301 Eastern Ave, Red Oak, IA, 51566
Phone (712) 623-7280
Fax (712) 623-7279
Enumeration date Jul 29, 2019
Last updated in NPPES Aug 31, 2022
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License A155593 (IA) Primary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists.
About the APRN credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Emily Maass?
The National Provider Identifier (NPI) for Emily Maass is 1659925600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Emily Maass practice?
The practice location on file with NPPES is in Red Oak, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Montgomery County Memorial Hospital Critical Access Hospital · Red Oak, IA NPI 1376539338 Thomas Kelly Certified Registered Nurse Anesthetist · Red Oak, IA NPI 1821084609 Donald Sabo Certified Registered Nurse Anesthetist · Red Oak, IA NPI 1225025042 Montgomery County Memorial Hospital Home Health Agency · Red Oak, IA NPI 1770571267 Sohail Khan Neurology Physician · Red Oak, IA NPI 1265422034 Montgomery County Memorial Hospital Internal Medicine Physician · Red Oak, IA NPI 1265405310 Montgomery County Memorial Hospital Medicare Defined Swing Bed Hospital Unit · Red Oak, IA NPI 1831162023 Montgomery County Memorial Hospital Certified Registered Nurse Anesthetist · Red Oak, IA NPI 1811960867
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-31.