John Clinton Merrick, MD
Specialist · Eau Claire, WI
John Clinton Merrick, MD is a specialist with a practice address in Eau Claire, Wisconsin, and NPI 1215915426, issued on Jan 6, 2006. Check the license (Wisconsin 48417020, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Clinton Merrick
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 48417020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1110 Oak Ridge Dr, Eau Claire, WI 54701
- Phone
- (715) 514-2550
- Enumerated
- Jan 6, 2006
- Record last updated
- Nov 1, 2023
- Fax
- (715) 514-2558
- Medicaid ID
- 34672400 WI
- Medicare enrollment
- Enrolled (PECOS I20050825000367); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1998
- Entity
- Type 1 · individual
Also registered at 1110 Oak Ridge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathy Foster, LPNLicensed Practical Nurse1104032770
Verify John Clinton Merrick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 48417020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average specialist in 2024
136 Medicare Part D claims for 71 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Cephalexin63 claims
- Hydrocodone-Acetaminophen21 claims
- Tramadol Hcl19 claims
- Fluorouracil11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $53.61
3 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Specialist providers in Wisconsin
There are 272 specialist records in Wisconsin.
Other specialist records in Wisconsin
- Perla Agpoon, M.D.Waukesha, WI1730134255
- Richard Ahn, M.D.Tomah, WI1679678015
- Ghadeer AlafifiMadison, WI1033466529
- Linda Alanen, RN, LMT, BAMadison, WI1194084939
- Jesse Albright, MSMiddleton, WI1679914006
- Neta Ambar, DVMMadison, WI1689258170
- Jericka Amendt, SPECIALISTS A14042Hudson, WI1639863038
- Douglas Armato, MDAntigo, WI1982684338
- James Avery, M.D.Fond Du Lac, WI1750374096
- Deborah Bachmann, S.T.Madison, WI1538434782
Common questions
What is John Clinton Merrick, MD's NPI number?
John Clinton Merrick, MD's National Provider Identifier (NPI) is 1215915426, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Clinton Merrick, MD located?
The NPPES record lists a practice address at 1110 Oak Ridge Dr, Eau Claire, WI, 54701. Phone: (715) 514-2550. Providers update this record themselves, so call before visiting.
How can I verify John Clinton Merrick, MD's license?
NPPES lists Wisconsin license number 48417020, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does John Clinton Merrick, MD prescribe under Medicare Part D?
In 2024, John Clinton Merrick, MD had 136 Medicare Part D claims for 71 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.