Tracy P. Lemmer, FNP
- Part D claims, 2024
- 548
- Hospital affiliations
- 3
- Industry payments
- $527
- Medical groups
- 4
- State license
- 1
- Practice address
- 8901 W Lincoln Ave, West Allis, WI 53227
- Practice phone
- Call (414) 328-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tracy Lemmer's professional email, personal email and mobile number
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Tracy P. Lemmer is a nurse practitioner in Milwaukee, Wisconsin
Tracy Lemmer practices at Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health.
Tracy Lemmer's NPI, 1851774772, was assigned on July 9, 2015. Tracy Lemmer holds Wisconsin license 6448.
- NPI
- 1851774772NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961717913
- NPI enumeration date
- July 9, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 328-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tracy P. Lemmer practices at Aurora West Allis Medical Center in West Allis, Wisconsin
Tracy Lemmer's primary practice is Aurora West Allis Medical Center, at 8901 W Lincoln Ave, West Allis, WI 53227 in Milwaukee County. The practice phone is (414) 328-6000.
- Aurora West Allis Medical Center8901 W Lincoln Ave, West Allis, WI 53227 · Milwaukee CountyPhone(414) 328-6000
Source: Dmand AI Affiliation Data
Tracy P. Lemmer is affiliated with 7 sites of care and 4 medical groups
Tracy Lemmer's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Tracy Lemmer is also affiliated with Froedtert Hospital. The medical group on file is Aurora Medical Group. Dmand AI also links Tracy Lemmer to 1 more hospital, 3 group practices and clinics, 3 medical groups and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tracy P. Lemmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tracy Lemmer practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora West Allis Medical Center | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Tracy P. Lemmer is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is Tracy Lemmer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tracy Lemmer is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near Tracy Lemmer
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Tracy P. Lemmer's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Tracy Lemmer's median patient age at 38, with 77% women.
Tracy Lemmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women77%
- Men21%
Source: Dmand AI Patient Panel Data
Tracy P. Lemmer wrote 548 Medicare Part D claims in 2024
In 2024, Tracy Lemmer wrote 548 Medicare Part D claims for 67 patients. 77% of them were for generic drugs.
Tracy Lemmer's Part D claims by kind of drug, 2024
- Generic423 claims77%
- Brand-name and other125 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tracy P. Lemmer takes part in Medicare
Tracy Lemmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Tracy P. Lemmer received $527 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tracy Lemmer from 1 drug or device company in 2025. Consulting fees make up the largest share, 100% of the total. GE Healthcare paid the most, $527.
Companies that paid Tracy Lemmer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Tracy P. Lemmer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Tracy P. Lemmer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tracy P. Lemmer's NPI number?
Tracy P. Lemmer's NPI number is 1851774772. It was assigned on July 9, 2015, and it is active in the NPI Registry.
What does Tracy P. Lemmer specialize in?
Tracy P. Lemmer is a nurse practitioner in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tracy P. Lemmer practice?
Tracy Lemmer practices at 8901 W Lincoln Ave, West Allis, WI 53227. Tracy Lemmer's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dmand AI also links Tracy Lemmer to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 hospital outpatient department.
What is Tracy P. Lemmer's office phone number?
The practice phone on file for Tracy Lemmer is (414) 328-6000.
What is Tracy P. Lemmer's medical license number?
Tracy Lemmer holds Wisconsin license 6448.
Which hospitals is Tracy P. Lemmer affiliated with?
Tracy Lemmer practices at Aurora West Allis Medical Center in West Allis, Wisconsin. Tracy Lemmer is also affiliated with Froedtert Hospital. Dmand AI links Tracy Lemmer to 1 more hospital.
What medical group is Tracy P. Lemmer part of?
Tracy Lemmer is linked to Aurora Medical Group. Dmand AI links Tracy Lemmer to 3 more medical groups.
Does Tracy P. Lemmer accept Medicare?
Yes. CMS lists Tracy Lemmer as accepting Medicare assignment.
Has Tracy P. Lemmer received payments from drug or device companies?
CMS Open Payments shows $527 in general payments to Tracy Lemmer from 1 company from 2025 to 2025. The largest total came from GE Healthcare.
How long has Tracy P. Lemmer been practicing?
Tracy Lemmer graduated from medical school in 2015, 11 years ago.
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