Margot Walker, APRN, WHNP-BC
NPI 1548312028 · Nurse Practitioner · Janesville, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margot Walker, APRN, WHNP-BC is a Nurse Practitioner provider in Janesville, WI (NPI 1548312028).
Provider details
- NPI number
- 1548312028
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, WHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 1847 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
343 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 | 264 | $79 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 41 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $54 |
| Simple Measurement of Pressure of Urine Flow in Bladder51725 | 12 | $61 |
Typical Medicare-allowed amounts for these services range $54–$107 (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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 435 | 178 |
| Finasteride | 261 | 98 |
| Estradiol | 239 | 140 |
| Mirabegronbrand: Myrbetriq | 211 | 63 |
| Solifenacin Succinate | 132 | 51 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 104 | 33 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 100 |
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
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2022-09-29
- Certified
- 2022-09-29
Frequently asked questions
- What is Margot Walker's NPI number?
- Margot Walker's National Provider Identifier (NPI) is 1548312028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margot Walker's specialty?
- Margot Walker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margot Walker located?
- Margot Walker's practice location on file with NPPES is 1000 Mineral Point Ave, Janesville, WI 53548-2940.
- What is Margot Walker's phone number?
- The practice phone number listed in the NPPES registry for Margot Walker is (608) 756-6890.
- Does Margot Walker accept Medicare?
- Margot Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margot Walker's NPI active?
- Yes — Margot Walker's NPI (1548312028) is active in the NPPES registry as of the last update on 2022-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.