Colleen Marx, N.P.
Family Nurse Practitioner · Two Rivers, WI
Colleen Marx, N.P. is a family nurse practitioner with a practice address in Two Rivers, Wisconsin, and NPI 1891808242, issued on Aug 17, 2006. Check the license (Wisconsin 2149, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen Marx
- Credential
- N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2149 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 Lakefront Way, Two Rivers, WI 54241
- Phone
- (920) 320-2436
- Enumerated
- Aug 17, 2006
- Record last updated
- Mar 5, 2026
- Fax
- (920) 320-5187
- Medicaid ID
- 41185600 WI
- Medicare enrollment
- Enrolled (PECOS I20031126000618); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 800 Lakefront Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Donati, PTPediatric Physical Therapist1780603225
- Tricia Lorenz, D.O.Family Medicine Physician1174736656
- Anna Smith, FNP-CFamily Nurse Practitioner1841112471
- Jaclyn Sullivan, DPTPhysical Therapist1235338377
Verify Colleen Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
9,098 Medicare Part D claims for 726 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 194 claims were for opioids.
Most prescribed
- Atorvastatin Calcium389 claims
- Omeprazole338 claims
- Lisinopril301 claims
- Amlodipine Besylate277 claims
- Albuterol Sulfate Hfa276 claims
- Levothyroxine Sodium271 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): 82.8 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
- Froedtert Manitowoc Medical Group, LLCSheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen Marx among 2,814 family nurse practitioner records in Wisconsin
Colleen Marx, N.P. is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 90% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2002 · median 2019 among the 1,740 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family nurse practitioner records list a practice address in Two Rivers
They are 5 of the 251 NPPES records with a practice address in Two Rivers, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Two Rivers → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Allison Kosicek, MSN, APRN, FNPTwo Rivers, WI 542411730807652
- Cynthia Lecloux, A.P.N.PTwo Rivers, WI 542411841306206
- Anna Smith, FNP-CTwo Rivers, WI 542411841112471
- Danielle Walsh, APNPTwo Rivers, WI 542411982437208
- Barbara HeilmanWashington Island, WI 542461790950293
- Beth Brunette, APNPSturgeon Bay, WI 542351629657341
- Heidi Derbick, FNPSturgeon Bay, WI 542351144464157
- Breanne Gendron, NPSturgeon Bay, WI 542351528685583
Common questions
What is Colleen Marx, N.P.'s NPI number?
Colleen Marx, N.P.'s National Provider Identifier (NPI) is 1891808242, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Marx, N.P. located?
The NPPES record lists a practice address at 800 Lakefront Way, Two Rivers, WI, 54241. Phone: (920) 320-2436. Providers update this record themselves, so call before visiting.
How can I verify Colleen Marx, N.P.'s license?
NPPES lists Wisconsin license number 2149, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen Marx, N.P. prescribe under Medicare Part D?
In 2024, Colleen Marx, N.P. had 9,098 Medicare Part D claims for 726 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Colleen Marx, N.P.'s MIPS final score?
The 2023 MIPS final score is 82.8 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.