NPI registry status
Active
2026 NPPES data Personal Emergency Response Attendant NPI 1801984299 M.D.
Verify on CMS → Daniel Harrigan, M.D.
Personal Emergency Response Attendant in Caribou, 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 830 in Personal Emergency Response Attendant, 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
274
Medicare Part D claims · 170 beneficiaries · Personal Emergency Response Attendant avg: 996
Generic prescribing
96%
generic claims · 4% brand-name · higher generic rates reduce patient out-of-pocket costs
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
Daniel Harrigan, M.D. filed 274 Medicare Part D claims in 2023 as a Personal Emergency Response Attendant in Caribou, Maine, prescribing 96% generic.
- 274
- Part D claims, 2023
- 96%
- 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.
Daniel Harrigan, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
274 49th percentile higher than 49% 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 Daniel Harrigan, M.D.?
Quality data not reportedPrimary specialty
Personal Emergency Response Attendant
Medicare Part D claims
274 72% vs specialty avg
Specialty distribution in Maine
How Personal Emergency Response Attendant compares to other specialties among Maine 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 Personal Emergency Response Attendant. 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).
Daniel Harrigan, M.D. appears in the CMS NPPES registry as a Personal Emergency Response Attendant provider holding M.D. credentials at 163 VAN BUREN RD, Caribou, ME, 04736, with a listed phone of (207) 498-3111. NPI 1801984299 was issued on 10/11/2006.
Medicare Part D records for calendar year 2023 show 274 prescription claims written by this provider, covering 170 Medicare beneficiaries and totaling roughly $4K in drug spend, split 4% brand-name and 96% generic by claim count, with an opioid prescribing rate of 6.9%.
Personal Emergency Response Attendant is a narrow specialty nationwide, with 830 enrolled providers across 48 states and an average of 996 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 | 1801984299 |
|---|---|
| Specialty | Personal Emergency Response Attendant |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 10/11/2006 |
Hospital and facility affiliations
Facilities where Daniel Harrigan, M.D. 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.
City OF Caribou
Caribou, 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).
Brand vs generic prescribing mix · Generic-heavy
Daniel Harrigan, M.D. - brand share 4.0%
Personal Emergency Response Attendant average
4% brand-name claims vs 96% generic, on 274 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.
274
Total Claims
$4K
Total Drug Cost
170
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 284
- Total Day Supply
- 2,802
- Brand vs Generic
- 4% brand / 96% generic
- Brand Drug Cost
- $1K
- Generic Drug Cost
- $3K
- Opioid Claims
- 19 (6.9% rate)
- Antibiotic Claims
- 102
Patient Demographics
- Average Patient Age
- 71.1 years
- Avg HCC Risk Score
- 1.59
- Gender Split
- 61% female / 39% male
- Age Distribution
- <65: 39, 65-74: 60, 75-84: 42, 85+: 29
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Daniel Harrigan, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Prednisone
Prednisone
39 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
22 claims
- Ondansetron Hcl
Ondansetron Hcl
16 claims
- Azithromycin 15
Azithromycin
15 claims
- Cephalexin 14
Cephalexin
14 claims
- Ciprofloxacin Hcl 13
Ciprofloxacin Hcl
13 claims
- Dicyclomine Hcl 12
Dicyclomine Hcl
12 claims
| Drug | Claims |
|---|---|
| Prednisone | 39 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 22 |
| Ondansetron Hcl | 16 |
| Azithromycin | 15 |
| Cephalexin | 14 |
| Ciprofloxacin Hcl | 13 |
| Dicyclomine Hcl | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Personal Emergency Response Attendant Overview
How Daniel Harrigan, M.D. fits within the Personal Emergency Response Attendant landscape nationally.
830
Personal Emergency Response Attendant Providers in US
48
States with Personal Emergency Response Attendant
996
Avg Claims per Provider
Daniel Harrigan, M.D.'s 274 claims are below the specialty average of 996.
Nearby Personal Emergency Response Attendant Providers in Maine
Other clinicians with the same primary specialty enrolled in Maine, drawn from the same CMS NPPES roster as Harrigan.
Dr. Rodney Chelberg
M.D.
Brewer, ME
Dr. Glenn Raymond
PA-C
Caribou, ME
Dr. Sophie Todd
D.O
Bangor, ME
Compare Personal Emergency Response Attendant 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 Personal Emergency Response Attendant 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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Frequently Asked Questions
What is Daniel Harrigan, M.D.'s specialty? ▼
Daniel Harrigan, M.D. specializes in Personal Emergency Response Attendant and practices in Caribou, Maine. Credentials: M.D..
How much does Daniel Harrigan, M.D. prescribe under Medicare Part D? ▼
In 2023, Daniel Harrigan, M.D. wrote 274 Medicare Part D claims totaling $4K in drug costs for 170 beneficiaries.
Where is Daniel Harrigan, M.D. located? ▼
Daniel Harrigan, M.D. is located at 163 VAN BUREN RD, Caribou, ME, 04736. Phone: (207) 498-3111.
What is Daniel Harrigan, M.D.'s NPI number? ▼
Daniel Harrigan, M.D.'s National Provider Identifier (NPI) is 1801984299, issued on 10/11/2006.
Does Daniel Harrigan, M.D. prescribe more brand-name or generic drugs? ▼
Daniel Harrigan, M.D.'s prescribing is 4% brand-name and 96% generic drugs by claim count, with $1K in brand drug costs.
Does Daniel Harrigan, M.D. prescribe opioids? ▼
Yes, Daniel Harrigan, M.D. had 19 opioid claims in 2023 with an opioid prescribing rate of 6.9%.
How many Personal Emergency Response Attendant providers are there in the US? ▼
There are 830 Personal Emergency Response Attendant providers across 48 states in the US. The average Personal Emergency Response Attendant provider writes 996 Medicare Part D claims per year.
What drugs does Daniel Harrigan, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Daniel Harrigan, M.D.'s most frequently prescribed drugs include Prednisone, Amoxicillin-Clavulanate Potass, Ondansetron Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Daniel Harrigan, M.D. accept Medicare? ▼
Daniel Harrigan, M.D. appears in CMS Medicare data with 274 Part D claims and 170 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Daniel Harrigan, M.D.'s credentials? ▼
Daniel Harrigan, M.D.'s NPI is 1801984299 with credentials M.D.. 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.