Rebecca Zimmermann, D.O.
NPI 1669788477 · Family Medicine Physician · Lake Geneva, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Zimmermann, D.O. is a Family Medicine Physician provider in Lake Geneva, WI (NPI 1669788477).
Provider details
- NPI number
- 1669788477
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 56641-21 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
956 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 161 | $121 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 120 | $11 |
| Blood Test, Clotting Time85610 | 94 | $4 |
| Administration of Influenza Virus VaccineG0008 | 70 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 444 | 126 |
| Levothyroxine Sodium | 321 | 79 |
| Losartan Potassium | 285 | 84 |
| Amlodipine Besylate | 247 | 68 |
| Lisinopril | 207 | 53 |
| Omeprazole | 205 | 53 |
| Alendronate Sodium | 199 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2600 Kiley WayPlymouth, WI 53073-5020Phone: (920) 449-7000
- 2600 Kiley WayPlymouth, WI 53073-5020Phone: (920) 449-7000
Registry dates
- Enumerated
- 2010-08-31
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Rebecca Zimmermann's NPI number?
- Rebecca Zimmermann's National Provider Identifier (NPI) is 1669788477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Zimmermann's specialty?
- Rebecca Zimmermann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Zimmermann located?
- Rebecca Zimmermann's practice location on file with NPPES is 146 E Geneva Sq, Lake Geneva, WI 53147.
- What is Rebecca Zimmermann's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Zimmermann is (262) 249-5000.
- Does Rebecca Zimmermann accept Medicare?
- Rebecca Zimmermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Zimmermann's NPI active?
- Yes — Rebecca Zimmermann's NPI (1669788477) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.