NPI registry status
Active
2026 NPPES data Registered Nurse NPI 1861574311 FNP
Verify on CMS → Norma O'Brien, FNP
Registered Nurse in Monticello, New York.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 185,440 in Registered Nurse, 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
2K
Medicare Part D claims · 193 beneficiaries · Registered Nurse avg: 1K
What the federal data shows
Norma O'Brien, FNP filed 1,666 Medicare Part D claims in 2024 as a Registered Nurse in Monticello, New York.
- 2K
- Part D claims, 2024
- ≥81st
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about Norma O'Brien, FNP
Bare NPI registry listing — limited federal enrichment beyond basic enumeration. Verify all credentials with official sources.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1861574311), first enumerated 10/20/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,666 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- State context
State board disciplinary context
New York statewide board action statistics are published annually — these figures describe aggregate state activity, not Norma O'Brien, FNP's individual license status. Verify directly with the state medical board.
Source: NYSBPMC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1861574311 · Registered Nurse
NPI-10 · ENUM-LEGACY · TAX-MEGA · RX-MID · BOOK-MID · PHOTO-ENUM
- NPI-10 1861574311
- ENUM-LEGACY 2006
- TAX-MEGA 185K Registered Nurse
- RX-MID 1,666
- BOOK-MID 28,445 in New York
- PHOTO-ENUM Elizabeth Norwood, A… · 2006
Norma O'Brien, FNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,666 ≥ 81st percentile 81% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
What does the federal data show about Norma O'Brien, FNP?
Quality data not reportedPrimary specialty
Registered Nurse
Medicare Part D claims
1,666 57% vs specialty avg
Specialty distribution in New York
How Registered Nurse compares to other specialties among New York 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 Registered Nurse. 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).
Practice Address
Provider Details
| NPI | 1861574311 |
|---|---|
| Specialty | Registered Nurse |
| Credentials | FNP |
| Gender | Female |
| NPI Issued | 10/20/2006 |
License & disciplinary context - New York NYSBPMC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~100K New York medical licensees in 2023 - they are NOT specific to Norma O'Brien, FNP. To verify Norma O'Brien, FNP's current license status, search the NYSBPMC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
312
Total board actions, New York 2023
Across 302 cases
3.12
Actions per 1,000 licensees
New York statewide rate
probation
Most common action type
89 cases
NYSBPMC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the New York disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
1,666
Total Claims
$116K
Total Drug Cost
193
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 3,417.1
- Total Day Supply
- 101,041
- Generic Drug Cost
- $21K
- Antibiotic Claims
- 21
Patient Demographics
- Average Patient Age
- 68.2 years
- Avg HCC Risk Score
- 1.33
- Gender Split
- 53% female / 47% male
- Age Distribution
- <65: 46, 65-74: 104, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Norma O'Brien, FNP prescribes most
Top Medicare Part D drugs by claim count, 2024
- Atorvastatin Calcium
Atorvastatin Calcium
177 claims
- Metformin Hcl
Metformin Hcl
126 claims
- Amlodipine Besylate
Amlodipine Besylate
117 claims
- Lisinopril
Lisinopril
117 claims
- Losartan Potassium 68
Losartan Potassium
68 claims
- Omeprazole 67
Omeprazole
67 claims
- Rosuvastatin Calcium 58
Rosuvastatin Calcium
58 claims
- Simvastatin 50
Simvastatin
50 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 177 |
| Metformin Hcl | 126 |
| Amlodipine Besylate | 117 |
| Lisinopril | 117 |
| Losartan Potassium | 68 |
| Omeprazole | 67 |
| Rosuvastatin Calcium | 58 |
| Simvastatin | 50 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 44 |
| Lisinopril-Hydrochlorothiazide Lisinopril/Hydrochlorothiazide | 39 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Registered Nurse Overview
How Norma O'Brien, FNP fits within the Registered Nurse landscape nationally.
185,440
Registered Nurse Providers in US
56
States with Registered Nurse
1,063
Avg Claims per Provider
Norma O'Brien, FNP's 1,666 claims are above the specialty average of 1,063.
Nationwide Registered Nurse peers with similar MIPS or enrollment year
Two federal-record peer sets for O'Brien, both outside New York so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Registered Nurse Providers in New York
Other clinicians with the same primary specialty enrolled in New York, drawn from the same CMS NPPES roster as O'Brien.
One of 28,445 Registered Nurse providers enrolled in New York, 5 are shown here.
Sharon A'Court-Zingman
R.N.
Bay Shore, NY
Momna Aakel
Brooklyn, NY
Hannah Aakjar
RN
Beacon, NY
Rivqa Rhonda Aaronson
RN
Brooklyn, NY
Stephanie Aaronson
Spring Valley, NY
Compare Registered Nurse nationally: see state-by-state distribution →
Frequently Asked Questions
What is Norma O'Brien, FNP's specialty? ▼
Norma O'Brien, FNP specializes in Registered Nurse and practices in Monticello, New York. Credentials: FNP.
How much does Norma O'Brien, FNP prescribe under Medicare Part D? ▼
In 2024, Norma O'Brien, FNP wrote 1,666 Medicare Part D claims totaling $116K in drug costs for 193 beneficiaries.
Where is Norma O'Brien, FNP located? ▼
Norma O'Brien, FNP is located at 23 LAKEWOOD AVE, Monticello, NY, 12701. Phone: (845) 794-2010.
What is Norma O'Brien, FNP's NPI number? ▼
Norma O'Brien, FNP's National Provider Identifier (NPI) is 1861574311, issued on 10/20/2006.
How many Registered Nurse providers are there in the US? ▼
There are 185,440 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,063 Medicare Part D claims per year.
What drugs does Norma O'Brien, FNP prescribe most often? ▼
Based on 2024 Medicare Part D data, Norma O'Brien, FNP's most frequently prescribed drugs include Atorvastatin Calcium, Metformin Hcl, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Norma O'Brien, FNP accept Medicare? ▼
Norma O'Brien, FNP appears in CMS Medicare data with 1,666 Part D claims and 193 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Norma O'Brien, FNP's credentials? ▼
Norma O'Brien, FNP's NPI is 1861574311 with credentials FNP. 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 (2024). 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 August 2026 (NPPES) / 2024 (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
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 August 2026.