Kim C. Mackey, MD
Obstetrics & Gynecology Physician · Marshfield, WI
Kim C. Mackey, MD is an obstetrics & gynecology physician with a practice address in Marshfield, Wisconsin, and NPI 1285603431, issued on Mar 17, 2006. Check the license (Wisconsin 43887, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kim C. Mackey
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 43887 WI
ME180291 FL
MD61604924 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Ave, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Mar 17, 2006
- Record last updated
- May 29, 2026
- Medicaid IDs
- 1285603431 WI
2298975 WA - Medicare enrollment
- Enrolled (PECOS I20250430000312); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574
Verify Kim C. Mackey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
94 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Norethindrone Acetate24 claims
- Estradiol14 claims
- Solifenacin Succinate13 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.
3 hospitals and group practices
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
- City Hospital IncMartinsburg, WV
- Valley Medical Group-RentonRenton, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kim C. Mackey among 796 obstetrics & gynecology physician records in Wisconsin
Kim C. Mackey, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2007 among the 478 with a school on file
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 obstetrics & gynecology physician records list a practice address in Marshfield
They are 16 of the 1,360 NPPES records with a practice address in Marshfield, and 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Marshfield → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Shahid Atcha, MDMarshfield, WI 544491144276551
- Sarah Goetz, M.D.Marshfield, WI 544491902069917
- Robert Gribble, MDMarshfield, WI 544491073623138
- Paul Harkins, MDMarshfield, WI 544491760592828
- Peter Johnson, MDMarshfield, WI 544491881819183
- Maria Mascola, MDMarshfield, WI 544491043310709
- Anastasia Osipova, MD,PHDMarshfield, WI 544491073889382
- Joshua Sampson, D.O.Marshfield, WI 544491861616013
Common questions
What is Kim C. Mackey, MD's NPI number?
Kim C. Mackey, MD's National Provider Identifier (NPI) is 1285603431, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kim C. Mackey, MD located?
The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Kim C. Mackey, MD's license?
NPPES lists Wisconsin license number 43887, 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 Kim C. Mackey, MD prescribe under Medicare Part D?
In 2024, Kim C. Mackey, MD had 94 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.