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.
- 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
- Record last updated
- Sep 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (855) 270-4751
- Medicare enrollment
- Enrolled (PECOS I20040408000441); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 4580 S Nicholson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Allen, MDFamily Medicine Physician1720007271
- Tracy Proulx, FNP-BCNurse Practitioner1457943706
Verify Nikki Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43605-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% 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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 80 claims were for opioids.
Most prescribed
- Atorvastatin Calcium287 claims
- Levothyroxine Sodium202 claims
- Omeprazole180 claims
- Lisinopril173 claims
- Albuterol Sulfate Hfa161 claims
- 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: food and beverage; the largest payer was Phadia US Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Allen Family Medicine SCCudahy, WI
- Independent Physicians OF Wisconsin LLCCudahy, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikki Allen among 3,765 family medicine physician records in Wisconsin
Nikki Allen, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2007 among the 2,347 with a school on file
- Record last updated2019 · 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 Cudahy
They are 11 of the 174 NPPES records with a practice address in Cudahy, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Cudahy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fatima Ali, D.OCudahy, WI 531101740546829
- Timothy Allen, MDCudahy, WI 531101720007271
- Shujahat Chaudhry, M.D.Cudahy, WI 531101184112963
- Stephen Lamberton, MDCudahy, WI 531101558435123
- Ami Prag, MDCudahy, WI 531101386722817
- Sacha Ramirez, M.D.Cudahy, WI 531101316025844
- Dexter Rebancos, MDCudahy, WI 531101801974399
- Christian SanvansonCudahy, WI 531101457513566
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 3,544. 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.