Registry data as of Aug 27, 2026

Nikki Allen, MD

Family Medicine Physician · Cudahy, WI

Nikki Allen, MD is a family medicine physician with a practice address in Cudahy, Wisconsin, and NPI 1043235153, issued on Jul 12, 2006. Check the license (Wisconsin 43605-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043235153
Name
Nikki Allen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
43605-020 WI
Self-reported in NPPES; status is on the state search
Practice location
4580 S Nicholson Ave, Cudahy, WI 53110
Phone
(414) 326-4800
Enumerated
Jul 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4580 S Nicholson Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Timothy Allen, MDAddiction Medicine (Family Medicine) Physician1720007271
  2. Tracy Proulx, FNP-BCNurse Practitioner1457943706

Verify Nikki Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 43605-020
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

48% more Medicare Part D claims than the average family medicine physician in 2024

5,222 Medicare Part D claims for 326 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 80 claims were for opioids.

  1. Nikki Allen5,222
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium287 claims
  2. Levothyroxine Sodium202 claims
  3. Omeprazole180 claims
  4. Lisinopril173 claims
  5. Albuterol Sulfate Hfa161 claims
  6. Losartan Potassium159 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: $16.07

1 payment, mostly food and beverage; the largest payer was Phadia US Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nikki Allen$16.07
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Allen Family Medicine SCCudahy, WI
  2. Independent Physicians OF Wisconsin LLCCudahy, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 family medicine physician records list a Cudahy practice address

They are 8 of the 174 NPPES records with a Cudahy practice address, and 3,629 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ghudran Abdulal, MDNew Berlin, WI1083622666
  2. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  3. Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
  4. Emily Abeyta, MDWaukesha, WI1386905107
  5. Islam Abo Al Nadie, MDMilwaukee, WI1326618786
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Nikki Allen, MD's NPI number?

Nikki Allen, MD's National Provider Identifier (NPI) is 1043235153, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nikki Allen, MD located?

The NPPES record lists a practice address at 4580 S Nicholson Ave, Cudahy, WI, 53110. Phone: (414) 326-4800. Providers update this record themselves, so call before visiting.

How can I verify Nikki Allen, MD's license?

NPPES lists Wisconsin license number 43605-020, 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 Nikki Allen, MD prescribe under Medicare Part D?

In 2024, Nikki Allen, MD had 5,222 Medicare Part D claims for 326 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.