Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Malachi Gruenhagen, RN
Registered Nurse in Deer Park, OH · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538947312
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Registry record
Entity type Individual (Type 1)
Name Malachi Gruenhagen
Credential RN
Sex Male
Practice address 4129 E Galbraith Rd, Deer Park, OH, 45236
Phone (513) 686-7809
Enumeration date Sep 21, 2023
Last updated in NPPES Sep 21, 2023
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 393748 | Other | OH | RN LICENSE ISSUED BY OHIO BOARD OF NURSING |
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 Malachi Gruenhagen?
The National Provider Identifier (NPI) for Malachi Gruenhagen is 1538947312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Malachi Gruenhagen practice?
The practice location on file with NPPES is in Deer Park, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ronna Schneider Pediatrics Physician · Cincinnati, OH NPI 1417954538 My Sister'S Garden Addiction (Substance Use Disorder) Counselor · Cincinnati, OH NPI 1922734086 My Sister'S Garden Mental Health Counselor · Deer Park, OH NPI 1942983291 Chana Wolfson Case Manager/Care Coordinator · Cincinnati, OH NPI 1831937184
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-21.