2026 NPPES data Registered Nurse First Assistant NPI 1124204375 ACNP
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GENEVIEVE MACDONALD, ACNP

Registered Nurse First Assistant in PORTLAND, Maine. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
109
Medicare Part D claims · 21 beneficiaries · Registered Nurse First Assistant avg: 419
MIPS score
98.0699/100
▲ 15 pts above national avg 83.1 · [object Object]
What the federal data reveals: GENEVIEVE MACDONALD, ACNP is a Registered Nurse First Assistant ([object Object]) practicing in PORTLAND, Maine with a Medicare Part D prescribing footprint of 109 claims across 21 beneficiaries . Their CMS MIPS Final Score of 98.0699/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: GENEVIEVE MACDONALD, ACNP reported a CMS MIPS final score of 98.0699 out of 100, above the 83.1 national average, and filed 109 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

GENEVIEVE MACDONALD, ACNP at a glance

High performer (top quartile)

NPI registry status

Active

Issued 01/18/2008

NPI 1124204375

Primary specialty

Registered Nurse First Assistant

Niche

2,649 US NPIs in this specialty

Medicare Part D claims

109 74% vs specialty avg

2023 prescription claims

Specialty avg: 419

MIPS final score

98.0699/100 14.96990000000001% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Maine

How Registered Nurse First Assistant compares to other specialties among Maine providers

Maine providers

Registered Nurse First Assistant share within Maine

1. Registered Nurse First Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Registered Nurse First Assistant share within Maine

Medicare quality performance — MIPS

GENEVIEVE MACDONALD, ACNP's 2023 MIPS final score plotted against the Registered Nurse First Assistant national average

High performer (top quartile)
MIPS Final Score
98.0699/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Registered Nurse First Assistant) — 98.0699/100 vs national avg 83.1

0%100%National avg83%98.1%
MIPS final score (Registered Nurse First Assistant) — 98.0699/100 vs national avg 83.1

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).

GENEVIEVE MACDONALD, ACNP is a Registered Nurse First Assistant provider practicing in PORTLAND, Maine, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: ACNP. NPI: 1124204375. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

GENEVIEVE MACDONALD, ACNP appears in the CMS NPPES registry as a Registered Nurse First Assistant provider holding ACNP credentials at 818 CONGRESS ST, PORTLAND, ME, 04102, with a listed phone of (207) 773-8161. NPI 1124204375 was issued on 01/18/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MACDONALD most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 109 prescription claims written by this provider, covering 21 Medicare beneficiaries and totaling roughly $2K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 98.0699/100 for the 2023 performance year (Quality 86.1398), compared with the national average of 83.1.

Registered Nurse First Assistant is a narrow specialty nationwide, with 2,649 enrolled providers across 50 states and an average of 419 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

818 CONGRESS ST
PORTLAND, ME 04102

Provider Details

NPI 1124204375
Specialty Registered Nurse First Assistant
Credentials ACNP
Gender Female
NPI Issued 01/18/2008

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 GENEVIEVE MACDONALD, ACNP 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.

MAINEHEALTH
PORTLAND, 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).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

109
Total Claims
$2K
Total Drug Cost
21
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
123
Total Day Supply
2,674
Generic Drug Cost
$574

Patient Demographics

Average Patient Age
69.7 years
Avg HCC Risk Score
0.86

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Metoprolol Tartrate
20
Atorvastatin Calcium
16
Clopidogrel
Clopidogrel Bisulfate
14
Furosemide
13
Potassium Chloride
13

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Registered Nurse First Assistant Overview

How GENEVIEVE MACDONALD, ACNP fits within the Registered Nurse First Assistant landscape nationally.

2,649
Registered Nurse First Assistant Providers in US
50
States with Registered Nurse First Assistant
419
Avg Claims per Provider

GENEVIEVE MACDONALD, ACNP's 109 claims are below the specialty average of 419.

Nearby Registered Nurse First Assistant Providers in Maine

Other clinicians with the same primary specialty enrolled in Maine, drawn from the same CMS NPPES roster as MACDONALD.

Compare Registered Nurse First Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is GENEVIEVE MACDONALD, ACNP's specialty?
GENEVIEVE MACDONALD, ACNP specializes in Registered Nurse First Assistant and practices in PORTLAND, Maine. Credentials: ACNP.
How much does GENEVIEVE MACDONALD, ACNP prescribe under Medicare Part D?
In 2023, GENEVIEVE MACDONALD, ACNP wrote 109 Medicare Part D claims totaling $2K in drug costs for 21 beneficiaries.
What is GENEVIEVE MACDONALD, ACNP's Medicare quality score?
GENEVIEVE MACDONALD, ACNP has a CMS MIPS Final Score of 98.0699/100 (Quality: 86.1398). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is GENEVIEVE MACDONALD, ACNP located?
GENEVIEVE MACDONALD, ACNP is located at 818 CONGRESS ST, PORTLAND, ME, 04102. Phone: (207) 773-8161.
What is GENEVIEVE MACDONALD, ACNP's NPI number?
GENEVIEVE MACDONALD, ACNP's National Provider Identifier (NPI) is 1124204375, issued on 01/18/2008.
How many Registered Nurse First Assistant providers are there in the US?
There are 2,649 Registered Nurse First Assistant providers across 50 states in the US. The average Registered Nurse First Assistant provider writes 419 Medicare Part D claims per year.
What drugs does GENEVIEVE MACDONALD, ACNP prescribe most often?
Based on 2023 Medicare Part D data, GENEVIEVE MACDONALD, ACNP's most frequently prescribed drugs include Metoprolol Tartrate, Atorvastatin Calcium, Clopidogrel. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does GENEVIEVE MACDONALD, ACNP accept Medicare?
GENEVIEVE MACDONALD, ACNP appears in CMS Medicare data with 109 Part D claims and 21 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify GENEVIEVE MACDONALD, ACNP's credentials?
GENEVIEVE MACDONALD, ACNP's NPI is 1124204375 with credentials ACNP. 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

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