Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Clinton Merrick, MD
Specialist in Eau Claire, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215915426
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Registry record
Entity type Individual (Type 1)
Name Dr. John Clinton Merrick
Credential MD
Sex Male
Practice address 1110 Oak Ridge Dr, Eau Claire, WI, 54701
Phone (715) 514-2550
Fax (715) 514-2558
Enumeration date Jan 6, 2006
Last updated in NPPES Nov 1, 2023
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 34672400 | Medicaid | WI | - |
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 John Merrick?
The National Provider Identifier (NPI) for John Merrick is 1215915426, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Merrick practice?
The practice location on file with NPPES is in Eau Claire, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Oakleaf Pediatric Clinic Preferred Provider Organization · Eau Claire, WI NPI 1043320245 Eau Claire Women'S Care S.C. Obstetrics Physician · Eau Claire, WI NPI 1083774384 Obstetrics Gynecology Clinic of Eau Claire, S.C. Obstetrics Physician · Eau Claire, WI NPI 1619037918 Kathy Foster Licensed Practical Nurse · Eau Claire, WI NPI 1104032770 Merrick Plastic and Hand Surgery Sc Surgery of the Hand (Plastic Surgery) Physician · Eau Claire, WI NPI 1740424209 Oakleaf Clinics Sc Obstetrics & Gynecology Physician · Eau Claire, WI NPI 1023400819 Oakleaf Clinics Sc Obstetrics & Gynecology Physician · Eau Claire, WI NPI 1891187696 Oakleaf Clinics Sc Obstetrics & Gynecology Physician · Eau Claire, WI NPI 1073905865
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-01.