NPI registry status
Active
2026 NPPES data Family Nurse Practitioner NPI 1235330390 NP
Verify on CMS → Dixie Knoll, NP
Family Nurse Practitioner in Westbrook, Maine.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 210,832 in Family 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
391
Medicare Part D claims · 158 beneficiaries · Family Nurse Practitioner avg: 1K
MIPS score
98.1/100
▲ 15 pts above national avg 83.1 · Exceptional
Industry payments
$263.51
8 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Dixie Knoll, NP reported a CMS MIPS final score of 98.1/100 - above the 83.1 national average - and filed 391 Medicare Part D claims in 2023.
- 98.1/100
- MIPS score · +15 vs avg
- 391
- Part D claims, 2023
- $263.51
- industry payments (Sunshine Act)
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.
Dixie Knoll, NP's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
98 Top 11% higher than 89% of 477,587 scored providers
Each bar is a band; taller bars hold more scored providers. 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.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Dixie Knoll, NP sits
This provider among family nurse practitioner peers
Across the 27,154 family nurse practitioner providers who report both Medicare Part D prescribing and a MIPS quality score, Dixie Knoll, NP writes more Part D claims than 49% of them and scores higher on MIPS quality than 89% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one family nurse practitioner peer from a representative sample of 60; the gold marker is Dixie Knoll, NP. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
What does the federal data show about Dixie Knoll, NP?
High performer (top quartile)Primary specialty
Family Nurse Practitioner
Medicare Part D claims
391 68% vs specialty avg
MIPS final score
98.1/100 15 pts vs avg
Specialty distribution in Maine
How Family Nurse Practitioner compares to other specialties among Maine providers
Medicare quality performance, MIPS
Dixie Knoll, NP's 2023 MIPS final score plotted against the Family Nurse Practitioner national average
- MIPS Final Score
- 98.1/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Family Nurse Practitioner) - 98.1/100 vs national avg 83.1
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).
Dixie Knoll, NP appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding NP credentials at 11 ROCK ROW STE 320, Westbrook, ME, 04092, with a listed phone of (207) 303-3300. NPI 1235330390 was issued on 05/29/2007.
Medicare Part D records for calendar year 2023 show 391 prescription claims written by this provider, covering 158 Medicare beneficiaries and totaling roughly $443K in drug spend, with an opioid prescribing rate of 4.3%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 98.1/100 for the 2023 performance year (Quality 86.1), compared with the national average of 83.1.
Family Nurse Practitioner is a high-volume specialty nationwide, with 210,832 enrolled providers across 56 states and an average of 1,222 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1235330390 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | NP |
| Gender | Female |
| NPI Issued | 05/29/2007 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
98.0699
Final Score
Avg: 83.1
86.1398
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
Hospital and facility affiliations
Facilities where Dixie Knoll, NP 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.
Maine Center For Cancer Medicine And Blood Disorders PA
Kennebunk, ME
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Dixie Knoll, NP. Source: openpaymentsdata.cms.gov.
Total received
$264
Largest payer
AstraZeneca Pharmaceuticals LP
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
391
Total Claims
$443K
Total Drug Cost
158
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 671
- Total Day Supply
- 17,735
- Generic Drug Cost
- $10K
- Opioid Claims
- 17 (4.3% rate)
- Antibiotic Claims
- 15
Patient Demographics
- Average Patient Age
- 72.1 years
- Avg HCC Risk Score
- 1.70
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Dixie Knoll, NP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Letrozole
Letrozole
70 claims
- Anastrozole
Anastrozole
34 claims
- Tamoxifen Citrate 22
Tamoxifen Citrate
22 claims
- Famotidine 21
Famotidine
21 claims
- Ibrance 17
Ibrance
17 claims
- Ondansetron Odt 17
Ondansetron Odt
17 claims
- Exemestane 13
Exemestane
13 claims
- Lorazepam 13
Lorazepam
13 claims
| Drug | Claims |
|---|---|
| Letrozole | 70 |
| Anastrozole | 34 |
| Tamoxifen Citrate | 22 |
| Famotidine | 21 |
| Ibrance Palbociclib | 17 |
| Ondansetron Odt Ondansetron | 17 |
| Exemestane | 13 |
| Lorazepam | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Nurse Practitioner Overview
How Dixie Knoll, NP fits within the Family Nurse Practitioner landscape nationally.
210,832
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider
Dixie Knoll, NP's 391 claims are below the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in Maine
Other clinicians with the same primary specialty enrolled in Maine, drawn from the same CMS NPPES roster as Knoll.
Dr. Susan Abbott
FNP-C
Waterville, ME
Dr. Tammy Abbott
NP
Lewiston, ME
Dr. Samuel Acha
FNP-BC
Westbrook, ME
Dr. Shannon Achorn
NP
Rockland, ME
Dr. Christa Adams
FNP
Lewiston, ME
Compare Family Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Maine medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
Healthcare Guides
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Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
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How insurance networks affect your costs
Telehealth Guide
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Explore Maine
Frequently Asked Questions
What is Dixie Knoll, NP's specialty? ▼
Dixie Knoll, NP specializes in Family Nurse Practitioner and practices in Westbrook, Maine. Credentials: NP.
How much does Dixie Knoll, NP prescribe under Medicare Part D? ▼
In 2023, Dixie Knoll, NP wrote 391 Medicare Part D claims totaling $443K in drug costs for 158 beneficiaries.
What is Dixie Knoll, NP's Medicare quality score? ▼
Dixie Knoll, NP has a CMS MIPS Final Score of 98.1/100 (Quality: 86.1). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Dixie Knoll, NP located? ▼
Dixie Knoll, NP is located at 11 ROCK ROW STE 320, Westbrook, ME, 04092. Phone: (207) 303-3300.
What is Dixie Knoll, NP's NPI number? ▼
Dixie Knoll, NP's National Provider Identifier (NPI) is 1235330390, issued on 05/29/2007.
Does Dixie Knoll, NP prescribe opioids? ▼
Yes, Dixie Knoll, NP had 17 opioid claims in 2023 with an opioid prescribing rate of 4.3%.
How many Family Nurse Practitioner providers are there in the US? ▼
There are 210,832 Family Nurse Practitioner providers across 56 states in the US. The average Family Nurse Practitioner provider writes 1,222 Medicare Part D claims per year.
What drugs does Dixie Knoll, NP prescribe most often? ▼
Based on 2023 Medicare Part D data, Dixie Knoll, NP's most frequently prescribed drugs include Letrozole, Anastrozole, Tamoxifen Citrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Dixie Knoll, NP accept Medicare? ▼
Dixie Knoll, NP appears in CMS Medicare data with 391 Part D claims and 158 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Dixie Knoll, NP's credentials? ▼
Dixie Knoll, NP's NPI is 1235330390 with credentials NP. 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 (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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 April 2026 (NPPES) / 2023 (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
Compiled from official public sources by the PlainDoctor editorial team.
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 May 2026.