Jennifer Cichon Mackinnon, M.D.
Internal Medicine Physician · Milwaukee, WI
Jennifer Cichon Mackinnon, M.D. is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1316985427, issued on Jun 2, 2006. Check the license (Wisconsin 55041, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Cichon Mackinnon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 55041 WI
036-109295 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-6850
- Enumerated
- Jun 2, 2006
- Record last updated
- May 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (414) 805-6851
- Medicaid ID
- 1316985427 WI
- Medicare enrollment
- Enrolled (PECOS I20101211000049); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Cichon Mackinnon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 55041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,786 Medicare Part D claims for 640 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 549 claims were for opioids.
Most prescribed
- Atorvastatin Calcium350 claims
- Amlodipine Besylate347 claims
- Levothyroxine Sodium342 claims
- Losartan Potassium320 claims
- Gabapentin302 claims
- Pantoprazole Sodium257 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Cichon Mackinnon among 2,078 internal medicine physician records in Wisconsin
Jennifer Cichon Mackinnon, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2002 among the 1,098 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Barnas, MDMilwaukee, WI 532261902857329
- Karen Fickel, MDMilwaukee, WI 532261336190255
- Kathlyn Fletcher, MDMilwaukee, WI 532261306897236
- Sandra Green, MDMilwaukee, WI 532261871544692
- Tiffany Hubbard, MDWauwatosa, WI 532261518918093
- Samuel Idarraga, M.D.Wauwatosa, WI 532261700850070
- Jasna Jevtic, MDMilwaukee, WI 532261386695823
- Jack Kaufman, MDMilwaukee, WI 532261740231299
Common questions
What is Jennifer Cichon Mackinnon, M.D.'s NPI number?
Jennifer Cichon Mackinnon, M.D.'s National Provider Identifier (NPI) is 1316985427, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Cichon Mackinnon, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6850. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Cichon Mackinnon, M.D.'s license?
NPPES lists Wisconsin license number 55041, 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 Jennifer Cichon Mackinnon, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Cichon Mackinnon, M.D. had 8,786 Medicare Part D claims for 640 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jennifer Cichon Mackinnon, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.