NPI registry status
Active
2026 NPPES data Primary Care Nurse Practitioner NPI 1225757842 APNP
Verify on CMS → Katherine Andrew, APNP
Primary Care Nurse Practitioner in Waukesha, Wisconsin.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 10,597 in Primary Care Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
4K
Medicare Part D claims · 271 beneficiaries · Primary Care Nurse Practitioner avg: 1K
Generic prescribing
84%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Katherine Andrew, APNP filed 3,605 Medicare Part D claims in 2024 as a Primary Care Nurse Practitioner in Waukesha, Wisconsin, prescribing 84% generic.
- 4K
- Part D claims, 2024
- 84%
- generic prescribing
- ≥90th
- pct by Part D claim volume (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Katherine Andrew, APNP
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1225757842), first enumerated 08/25/2022.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 3,605 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1225757842 · Primary Care Nurse Practitioner
NPI-10 · ENUM-RECENT · TAX-MID · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1225757842
- ENUM-RECENT 2022
- TAX-MID 11K Primary Care
- RX-MID 3,605
- BOOK-THIN 137 in Wisconsin
- PHOTO-ENUM Irina Villafranca · 2022
Katherine Andrew, APNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
3,605 ≥ 90th percentile 90% of 1,416,883 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
What does the federal data show about Katherine Andrew, APNP?
Quality data not reportedPrimary specialty
Primary Care Nurse Practitioner
Medicare Part D claims
3,605 145% vs specialty avg
Specialty distribution in Wisconsin
How Primary Care Nurse Practitioner compares to other specialties among Wisconsin providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Primary Care Nurse Practitioner. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1225757842 |
|---|---|
| Specialty | Primary Care Nurse Practitioner |
| Credentials | APNP |
| Gender | Female |
| NPI Issued | 08/25/2022 |
Hospital and facility affiliations
Facilities where Katherine Andrew, APNP bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Oak Medical SC
Waukesha, WI
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Katherine Andrew, APNP - brand share 16.0%
Primary Care Nurse Practitioner average
16% brand-name claims vs 84% generic, on 3,605 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
3,605
Total Claims
$228K
Total Drug Cost
271
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 3,619.433
- Total Day Supply
- 78,855
- Brand vs Generic
- 16% brand / 84% generic
- Brand Drug Cost
- $156K
- Generic Drug Cost
- $70K
- Opioid Claims
- 383 (10.6% rate)
- Antibiotic Claims
- 145
Patient Demographics
- Average Patient Age
- 77.7 years
- Avg HCC Risk Score
- 2.65
- Gender Split
- 59% female / 41% male
- Age Distribution
- <65: 26, 65-74: 72, 75-84: 85, 85+: 88
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Katherine Andrew, APNP prescribes most
Top Medicare Part D drugs by claim count, 2024
- Furosemide
Furosemide
158 claims
- Levothyroxine Sodium
Levothyroxine Sodium
156 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
149 claims
- Lorazepam
Lorazepam
126 claims
- Pregabalin
Pregabalin
120 claims
- Tramadol Hcl
Tramadol Hcl
111 claims
- Potassium Chloride
Potassium Chloride
107 claims
- Eliquis
Eliquis
106 claims
| Drug | Claims |
|---|---|
| Furosemide | 158 |
| Levothyroxine Sodium | 156 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 149 |
| Lorazepam | 126 |
| Pregabalin | 120 |
| Tramadol Hcl | 111 |
| Potassium Chloride | 107 |
| Eliquis Apixaban | 106 |
| Sertraline Hcl | 99 |
| Atorvastatin Calcium | 83 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Primary Care Nurse Practitioner Overview
How Katherine Andrew, APNP fits within the Primary Care Nurse Practitioner landscape nationally.
10,597
Primary Care Nurse Practitioner Providers in US
54
States with Primary Care Nurse Practitioner
1,471
Avg Claims per Provider
Katherine Andrew, APNP's 3,605 claims are above the specialty average of 1,471.
Nationwide Primary Care Nurse Practitioner peers with similar MIPS or enrollment year
Two federal-record peer sets for Andrew, both outside Wisconsin so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2022)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Primary Care Nurse Practitioner Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Andrew.
One of 137 Primary Care Nurse Practitioner providers enrolled in Wisconsin, 5 are shown here.
Folake Adeniyi
RN
Germantown, WI
Melinda Altman
ARNP
Plymouth, WI
Brittany Amborn
APNP
Eau Claire, WI
Ashley Andrus
APNP
Oshkosh, WI
Megan Argall
FNP-C
Milwaukee, WI
Compare Primary Care Nurse Practitioner nationally: see state-by-state distribution →
Frequently Asked Questions
What is Katherine Andrew, APNP's specialty? ▼
Katherine Andrew, APNP specializes in Primary Care Nurse Practitioner and practices in Waukesha, Wisconsin. Credentials: APNP.
How much does Katherine Andrew, APNP prescribe under Medicare Part D? ▼
In 2024, Katherine Andrew, APNP wrote 3,605 Medicare Part D claims totaling $228K in drug costs for 271 beneficiaries.
Where is Katherine Andrew, APNP located? ▼
Katherine Andrew, APNP is located at N20W22961 WATERTOWN RD, Waukesha, WI, 53186. Phone: (262) 875-5070.
What is Katherine Andrew, APNP's NPI number? ▼
Katherine Andrew, APNP's National Provider Identifier (NPI) is 1225757842, issued on 08/25/2022.
Does Katherine Andrew, APNP prescribe more brand-name or generic drugs? ▼
Katherine Andrew, APNP's prescribing is 16% brand-name and 84% generic drugs by claim count, with $156K in brand drug costs.
Does Katherine Andrew, APNP prescribe opioids? ▼
Yes, Katherine Andrew, APNP had 383 opioid claims in 2024 with an opioid prescribing rate of 10.6%.
How many Primary Care Nurse Practitioner providers are there in the US? ▼
There are 10,597 Primary Care Nurse Practitioner providers across 54 states in the US. The average Primary Care Nurse Practitioner provider writes 1,471 Medicare Part D claims per year.
What drugs does Katherine Andrew, APNP prescribe most often? ▼
Based on 2024 Medicare Part D data, Katherine Andrew, APNP's most frequently prescribed drugs include Furosemide, Levothyroxine Sodium, Hydrocodone-Acetaminophen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Katherine Andrew, APNP accept Medicare? ▼
Katherine Andrew, APNP appears in CMS Medicare data with 3,605 Part D claims and 271 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Katherine Andrew, APNP's credentials? ▼
Katherine Andrew, APNP's NPI is 1225757842 with credentials APNP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.