NPI registry status
Active
2026 NPPES data Physician Assistant NPI 1154976447
Verify on CMS → Patrick Carolan
Physician Assistant in Derry, New Hampshire.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 150,974 in Physician Assistant, 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
3K
Medicare Part D claims · 463 beneficiaries · Physician Assistant avg: 790
Generic prescribing
89%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$562.88
21 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Patrick Carolan filed 2,685 Medicare Part D claims in 2023 as a Physician Assistant in Derry, New Hampshire, prescribing 89% generic.
- 3K
- Part D claims, 2023
- 89%
- generic prescribing
- $562.88
- 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.
Patrick Carolan's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
2,685 Top 13% higher than 87% of 1,370,886 prescribers
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 Patrick Carolan?
Quality data not reportedPrimary specialty
Physician Assistant
Medicare Part D claims
2,685 240% vs specialty avg
Specialty distribution in New Hampshire
How Physician Assistant compares to other specialties among New Hampshire 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 Physician Assistant. 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).
Patrick Carolan appears in the CMS NPPES registry as a Physician Assistant provider at 6 TSIENNETO RD, Derry, NH, 03038, with a listed phone of (603) 216-0400. NPI 1154976447 was issued on 08/05/2019.
Medicare Part D records for calendar year 2023 show 2,685 prescription claims written by this provider, covering 463 Medicare beneficiaries and totaling roughly $232K in drug spend, split 10% brand-name and 89% generic by claim count, with an opioid prescribing rate of 7.9%.
Physician Assistant is a high-volume specialty nationwide, with 150,974 enrolled providers across 56 states and an average of 790 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 | 1154976447 |
|---|---|
| Specialty | Physician Assistant |
| Gender | Male |
| NPI Issued | 08/05/2019 |
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 Patrick Carolan. Source: openpaymentsdata.cms.gov.
Total received
$563
Largest payer
ABBVIE INC.
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.
Brand vs generic prescribing mix · Typical
Patrick Carolan - brand share 10.0%
Physician Assistant average
10% brand-name claims vs 89% generic, on 2,685 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.
2,685
Total Claims
$232K
Total Drug Cost
463
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 5,356
- Total Day Supply
- 148,960
- Brand vs Generic
- 10% brand / 89% generic
- Brand Drug Cost
- $179K
- Generic Drug Cost
- $52K
- Opioid Claims
- 212 (7.9% rate)
- Antibiotic Claims
- 210
Patient Demographics
- Average Patient Age
- 73.4 years
- Avg HCC Risk Score
- 1.54
- Gender Split
- 51% female / 49% male
- Age Distribution
- <65: 44, 65-74: 224, 75-84: 150, 85+: 45
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Patrick Carolan prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
90 claims
- Lisinopril
Lisinopril
86 claims
- Amlodipine Besylate
Amlodipine Besylate
72 claims
- Furosemide
Furosemide
63 claims
- Famotidine
Famotidine
62 claims
- Levothyroxine Sodium
Levothyroxine Sodium
61 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
58 claims
- Gabapentin
Gabapentin
53 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 90 |
| Lisinopril | 86 |
| Amlodipine Besylate | 72 |
| Furosemide | 63 |
| Famotidine | 62 |
| Levothyroxine Sodium | 61 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 58 |
| Gabapentin | 53 |
| Prednisone | 52 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 51 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Physician Assistant Overview
How Patrick Carolan fits within the Physician Assistant landscape nationally.
150,974
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider
Patrick Carolan's 2,685 claims are above the specialty average of 790.
Nearby Physician Assistant Providers in New Hampshire
Other clinicians with the same primary specialty enrolled in New Hampshire, drawn from the same CMS NPPES roster as Carolan.
Dr. Micala Abbiati
PA-C
Bedford, NH
Dr. Robin Abeles
PA-C
North Conway, NH
Maud Abess
New London, NH
Dr. Rosemarie Addante
PA-C
Lebanon, NH
Dr. Anna Adler
PA-C
Lebanon, NH
Compare Physician Assistant 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 New Hampshire medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Physician Assistant 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.
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Medical Specialties Explained
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Explore New Hampshire
Frequently Asked Questions
What is Patrick Carolan's specialty? ▼
Patrick Carolan specializes in Physician Assistant and practices in Derry, New Hampshire.
How much does Patrick Carolan prescribe under Medicare Part D? ▼
In 2023, Patrick Carolan wrote 2,685 Medicare Part D claims totaling $232K in drug costs for 463 beneficiaries.
Where is Patrick Carolan located? ▼
Patrick Carolan is located at 6 TSIENNETO RD, Derry, NH, 03038. Phone: (603) 216-0400.
What is Patrick Carolan's NPI number? ▼
Patrick Carolan's National Provider Identifier (NPI) is 1154976447, issued on 08/05/2019.
Does Patrick Carolan prescribe more brand-name or generic drugs? ▼
Patrick Carolan's prescribing is 10% brand-name and 89% generic drugs by claim count, with $179K in brand drug costs.
Does Patrick Carolan prescribe opioids? ▼
Yes, Patrick Carolan had 212 opioid claims in 2023 with an opioid prescribing rate of 7.9%.
How many Physician Assistant providers are there in the US? ▼
There are 150,974 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
What drugs does Patrick Carolan prescribe most often? ▼
Based on 2023 Medicare Part D data, Patrick Carolan's most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Patrick Carolan accept Medicare? ▼
Patrick Carolan appears in CMS Medicare data with 2,685 Part D claims and 463 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Patrick Carolan's credentials? ▼
Patrick Carolan's NPI is 1154976447. 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.
- 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.