Coy H. Johnston, MD
Family Medicine Physician · Weston, WI
Coy H. Johnston, MD is a family medicine physician with a practice address in Weston, Wisconsin, and NPI 1720371321, issued on May 16, 2011. Check the license (Wisconsin 59857, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Coy H. Johnston
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 59857 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4005 Community Center Dr, Weston, WI 54476
- Phone
- (715) 241-5400
- Enumerated
- May 16, 2011
- Record last updated
- May 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191014001532); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 4005 Community Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alberto Araya, MDFamily Medicine Physician1376560391
- Cynthia Bainbridge, PH.D.Psychologist1326876202
- Steven Bergin, M.D.Obstetrics & Gynecology Physician1982780086
- Kirstin Boquist, APNPNurse Practitioner1255041307
- Fabio Catao Alves Martins Da Silva, M.D.Psychiatry Physician1669815106
Verify Coy H. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 59857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
67 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of 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.
Bills Medicare through one group practice
- Innova Emergency Medical Associates PCShow Low, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Coy H. Johnston among 3,765 family medicine physician records in Wisconsin
Coy H. Johnston, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2010 · median 2007 among the 2,347 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Weston
They are 11 of the 368 NPPES records with a practice address in Weston, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Weston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jeanette Abraham, MDWeston, WI 544761205895810
- Alberto Araya, MDWeston, WI 544761376560391
- Olga Barchugova, MDWeston, WI 544761750562617
- Kimberly Frodl, MDWeston, WI 544761447480116
- Jeanette Le Noir, MDWeston, WI 544761407964729
- James Raczek, MDWeston, WI 544761114945433
- Renee Smith, MDWeston, WI 544761750310900
- Daniel Smith, D.O.Weston, WI 544761194104075
Common questions
What is Coy H. Johnston, MD's NPI number?
Coy H. Johnston, MD's National Provider Identifier (NPI) is 1720371321, issued on May 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Coy H. Johnston, MD located?
The NPPES record lists a practice address at 4005 Community Center Dr, Weston, WI, 54476. Phone: (715) 241-5400. Providers update this record themselves, so call before visiting.
How can I verify Coy H. Johnston, MD's license?
NPPES lists Wisconsin license number 59857, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Coy H. Johnston, MD prescribe under Medicare Part D?
In 2024, Coy H. Johnston, MD had 67 Medicare Part D claims for 33 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.