Margaret Rynkiewicz
NPI 1073258604 · Physician Assistant · Mount Pleasant, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Rynkiewicz is a Physician Assistant provider in Mount Pleasant, WI (NPI 1073258604).
Provider details
- NPI number
- 1073258604
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 5873-23 (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 tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
49 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 27 | $93 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 11 | $136 |
| Critical Care, First 30-74 Minutes99291 | 11 | $165 |
Typical Medicare-allowed amounts for these services range $93–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 24 |
| Prednisone | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 14 |
| Cephalexin | 13 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 | 13 |
| Doxycycline Hyclate | 12 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 10625 W North Ave Ste 101bWauwatosa, WI 53226-2315Phone: (414) 877-5350
Registry dates
- Enumerated
- 2022-04-28
- Last updated
- 2025-12-29
- Certified
- 2025-12-29
Frequently asked questions
- What is Margaret Rynkiewicz's NPI number?
- Margaret Rynkiewicz's National Provider Identifier (NPI) is 1073258604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Rynkiewicz's specialty?
- Margaret Rynkiewicz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Rynkiewicz located?
- Margaret Rynkiewicz's practice location on file with NPPES is 13250 Washington Ave, Mount Pleasant, WI 53177-1516.
- What is Margaret Rynkiewicz's phone number?
- The practice phone number listed in the NPPES registry for Margaret Rynkiewicz is (262) 799-8700.
- Does Margaret Rynkiewicz accept Medicare?
- Margaret Rynkiewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Rynkiewicz's NPI active?
- Yes — Margaret Rynkiewicz's NPI (1073258604) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.