Sara Kaczmarek, DO
NPI 1649961335 · Family Medicine Physician · Monroe, WI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Kaczmarek, DO is a Family Medicine Physician provider in Monroe, WI (NPI 1649961335).
Provider details
- NPI number
- 1649961335
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 100085-851 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 38 | 18 |
| Levothyroxine Sodium | 32 | — |
| Omeprazole | 22 | — |
| Carvedilol | 19 | — |
| Spironolactone | 19 | — |
| Metformin Hcl | 18 | — |
| Amlodipine Besylate | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 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
Registry dates
- Enumerated
- 2023-05-15
- Last updated
- 2023-05-15
- Certified
- 2023-05-15
Frequently asked questions
- What is Sara Kaczmarek's NPI number?
- Sara Kaczmarek's National Provider Identifier (NPI) is 1649961335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Kaczmarek's specialty?
- Sara Kaczmarek is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sara Kaczmarek located?
- Sara Kaczmarek's practice location on file with NPPES is 515 22nd Ave, Monroe, WI 53566-1569.
- What is Sara Kaczmarek's phone number?
- The practice phone number listed in the NPPES registry for Sara Kaczmarek is (608) 324-2000.
- Does Sara Kaczmarek accept Medicare?
- Sara Kaczmarek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Kaczmarek's NPI active?
- Yes — Sara Kaczmarek's NPI (1649961335) is active in the NPPES registry as of the last update on 2023-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.