Tracy Lemmer, FNP
NPI 1851774772 · Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tracy Lemmer, FNP is a Nurse Practitioner provider in Milwaukee, WI (NPI 1851774772).
Provider details
- NPI number
- 1851774772
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 6448 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 61 | 15 |
| Amlodipine Besylate | 42 | 18 |
| Losartan Potassium | 38 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | — |
| Metformin Hclbrand: Metformin Hcl Er | 23 | — |
| Simvastatin | 20 | — |
Practice location
Mailing address
Additional practice locations (1)
- 9200 W Wisconsin AveMilwaukee, WI 53226-3522Phone: (414) 805-4777Fax: (414) 805-4774
Registry dates
- Enumerated
- 2015-07-09
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Tracy Lemmer's NPI number?
- Tracy Lemmer's National Provider Identifier (NPI) is 1851774772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracy Lemmer's specialty?
- Tracy Lemmer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tracy Lemmer located?
- Tracy Lemmer's practice location on file with NPPES is 5818 W Capitol Dr, Milwaukee, WI 53216-2247.
- What is Tracy Lemmer's phone number?
- The practice phone number listed in the NPPES registry for Tracy Lemmer is (414) 449-2114.
- Does Tracy Lemmer accept Medicare?
- Tracy Lemmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tracy Lemmer's NPI active?
- Yes — Tracy Lemmer's NPI (1851774772) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.