2026 NPPES data Registered Nurse NPI 1598263774 APRN
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HILARY ALLISON, APRN

Registered Nurse in LEBANON, New Hampshire. 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
75
Medicare Part D claims · 27 beneficiaries · Registered Nurse avg: 1K
Generic prescribing
76%
generic claims · 24% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

HILARY ALLISON, APRN filed 75 Medicare Part D claims in 2023 as a Registered Nurse in LEBANON, New Hampshire, prescribing 76% generic.

75
Part D claims, 2023
76%
generic prescribing

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.

HILARY ALLISON, APRN's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

75 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

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.

Source CMS Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about HILARY ALLISON, APRN?

Quality data not reported

NPI registry status

Active

Issued 01/23/2018

NPI 1598263774

Primary specialty

Registered Nurse

High-volume

175,652 US NPIs in this specialty

Medicare Part D claims

75 92% vs specialty avg

2023 prescription claims

Specialty avg: 1,000

Specialty distribution in New Hampshire

How Registered Nurse compares to other specialties among New Hampshire providers

New Hampshire providers

Registered Nurse share within New Hampshire

1. Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Registered Nurse share within New Hampshire

Specialty board-certification context

Estimated specialty board-certified rate — Registered Nurse (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Registered Nurse ABMS/AOA estimate

Est. board-certified rate (Registered Nurse) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Registered Nurse) — ABMS / AOA estimate

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).

HILARY ALLISON, APRN appears in the CMS NPPES registry as a Registered Nurse provider holding APRN credentials at ONE MEDICAL CENTER DRIVE, LEBANON, NH, 03756, with a listed phone of (603) 650-5922. NPI 1598263774 was issued on 01/23/2018. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ALLISON 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 75 prescription claims written by this provider, covering 27 Medicare beneficiaries and totaling roughly $13K in drug spend, split 24% brand-name and 76% generic by claim count. 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.

Registered Nurse is a high-volume specialty nationwide, with 175,652 enrolled providers across 56 states and an average of 1,000 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

ONE MEDICAL CENTER DRIVE
LEBANON, NH 03756

Provider Details

NPI 1598263774
Specialty Registered Nurse
Credentials APRN
Gender Female
NPI Issued 01/23/2018

Hospital and facility affiliations

Facilities where HILARY ALLISON, APRN 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.

MARY HITCHCOCK MEMORIAL HOSPITAL
★★★☆☆ 3/5
LEBANON, NH
Acute Care Hospitals
CMS CCN: 300003
DARTMOUTH-HITCHCOCK CLINIC
LEBANON, NH

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

HILARY ALLISON, APRN — brand share 24.0%
Specialty average (est.)

24% brand-name claims vs 76% generic, on 75 2023 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 2023.

75
Total Claims
$13K
Total Drug Cost
27
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
83
Total Day Supply
1,770
Brand vs Generic
24% brand / 76% generic
Brand Drug Cost
$9K
Generic Drug Cost
$4K

Patient Demographics

Average Patient Age
67.7 years
Avg HCC Risk Score
1.39

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Varenicline Tartrate
15

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

Registered Nurse Overview

How HILARY ALLISON, APRN fits within the Registered Nurse landscape nationally.

175,652
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider

HILARY ALLISON, APRN's 75 claims are below the specialty average of 1,000.

Nearby Registered Nurse Providers in New Hampshire

Other clinicians with the same primary specialty enrolled in New Hampshire, drawn from the same CMS NPPES roster as ALLISON.

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

Frequently Asked Questions

What is HILARY ALLISON, APRN's specialty?
HILARY ALLISON, APRN specializes in Registered Nurse and practices in LEBANON, New Hampshire. Credentials: APRN.
How much does HILARY ALLISON, APRN prescribe under Medicare Part D?
In 2023, HILARY ALLISON, APRN wrote 75 Medicare Part D claims totaling $13K in drug costs for 27 beneficiaries.
Where is HILARY ALLISON, APRN located?
HILARY ALLISON, APRN is located at ONE MEDICAL CENTER DRIVE, LEBANON, NH, 03756. Phone: (603) 650-5922.
What is HILARY ALLISON, APRN's NPI number?
HILARY ALLISON, APRN's National Provider Identifier (NPI) is 1598263774, issued on 01/23/2018.
Does HILARY ALLISON, APRN prescribe more brand-name or generic drugs?
HILARY ALLISON, APRN's prescribing is 24% brand-name and 76% generic drugs by claim count, with $9K in brand drug costs.
How many Registered Nurse providers are there in the US?
There are 175,652 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,000 Medicare Part D claims per year.
What drugs does HILARY ALLISON, APRN prescribe most often?
Based on 2023 Medicare Part D data, HILARY ALLISON, APRN's most frequently prescribed drugs include Varenicline Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does HILARY ALLISON, APRN accept Medicare?
HILARY ALLISON, APRN appears in CMS Medicare data with 75 Part D claims and 27 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify HILARY ALLISON, APRN's credentials?
HILARY ALLISON, APRN's NPI is 1598263774 with credentials APRN. 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.
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