NPI registry status
Active
2026 NPPES data Emergency Registered Nurse NPI 1932874195 FNP-C
Verify on CMS → Maria Roma Paula Delarrazabal, FNP-C
Emergency Registered Nurse in Las Vegas, Nevada.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 4,350 in Emergency 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
461
Medicare Part D claims · 262 beneficiaries · Emergency Registered Nurse avg: 710
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Maria Roma Paula Delarrazabal, FNP-C filed 461 Medicare Part D claims in 2023 as a Emergency Registered Nurse in Las Vegas, Nevada.
- 461
- Part D claims, 2023
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.
Maria Roma Paula Delarrazabal, FNP-C's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
461 Top 38% higher than 62% 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 Maria Roma Paula Delarrazabal, FNP-C?
Quality data not reportedPrimary specialty
Emergency Registered Nurse
Medicare Part D claims
461 35% vs specialty avg
Specialty distribution in Nevada
How Emergency Registered Nurse compares to other specialties among Nevada 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 Emergency 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).
Maria Roma Paula Delarrazabal, FNP-C appears in the CMS NPPES registry as an Emergency Registered Nurse provider holding FNP-C credentials at 888 S RANCHO DR, Las Vegas, NV, 89106, with a listed phone of (702) 877-5199. NPI 1932874195 was issued on 08/10/2021.
Medicare Part D records for calendar year 2023 show 461 prescription claims written by this provider, covering 262 Medicare beneficiaries and totaling roughly $6K in drug spend.
Emergency Registered Nurse is a narrow specialty nationwide, with 4,350 enrolled providers across 54 states and an average of 710 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 | 1932874195 |
|---|---|
| Specialty | Emergency Registered Nurse |
| Credentials | FNP-C |
| Gender | Female |
| NPI Issued | 08/10/2021 |
Hospital and facility affiliations
Facilities where Maria Roma Paula Delarrazabal, FNP-C 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.
Optum Medical Group II Rhodes P C
Las Vegas, NV
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.
461
Total Claims
$6K
Total Drug Cost
262
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 483
- Total Day Supply
- 5,554
- Generic Drug Cost
- $4K
- Antibiotic Claims
- 139
Patient Demographics
- Average Patient Age
- 71.4 years
- Avg HCC Risk Score
- 2.00
- Gender Split
- 65% female / 35% male
- Age Distribution
- <65: 35, 65-74: 130, 75-84: 76, 85+: 21
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Maria Roma Paula Delarrazabal, FNP-C prescribes most
Top Medicare Part D drugs by claim count, 2023
- Prednisone
Prednisone
58 claims
- Fluticasone Propio…
Fluticasone Propionate
39 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
35 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
33 claims
- Doxycycline Hyclate
Doxycycline Hyclate
26 claims
- Ibuprofen
Ibuprofen
24 claims
- Azithromycin 20
Azithromycin
20 claims
- Tizanidine Hcl 16
Tizanidine Hcl
16 claims
| Drug | Claims |
|---|---|
| Prednisone | 58 |
| Fluticasone Propionate | 39 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 35 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 33 |
| Doxycycline Hyclate | 26 |
| Ibuprofen | 24 |
| Azithromycin | 20 |
| Tizanidine Hcl | 16 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 15 |
| Cephalexin | 14 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Emergency Registered Nurse Overview
How Maria Roma Paula Delarrazabal, FNP-C fits within the Emergency Registered Nurse landscape nationally.
4,350
Emergency Registered Nurse Providers in US
54
States with Emergency Registered Nurse
710
Avg Claims per Provider
Maria Roma Paula Delarrazabal, FNP-C's 461 claims are below the specialty average of 710.
Nearby Emergency Registered Nurse Providers in Nevada
Other clinicians with the same primary specialty enrolled in Nevada, drawn from the same CMS NPPES roster as Delarrazabal.
Dr. Lynn Alvarez
RN
North Las Vegas, NV
Dr. Angel Ambrose
MSN, APRN, FNP-BC
Pahrump, NV
Selena Blackburn
Sparks, NV
Dr. Sheryl Cipollini
APRN, FNP-BC
Pahrump, NV
Dr. Lizzie Belle Cody
DNP, FNP-C, CEN, RN
Las Vegas, NV
Compare Emergency Registered Nurse 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 Nevada medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Emergency Registered Nurse 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.
Healthcare Guides
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Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
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How insurance networks affect your costs
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Frequently Asked Questions
What is Maria Roma Paula Delarrazabal, FNP-C's specialty? ▼
Maria Roma Paula Delarrazabal, FNP-C specializes in Emergency Registered Nurse and practices in Las Vegas, Nevada. Credentials: FNP-C.
How much does Maria Roma Paula Delarrazabal, FNP-C prescribe under Medicare Part D? ▼
In 2023, Maria Roma Paula Delarrazabal, FNP-C wrote 461 Medicare Part D claims totaling $6K in drug costs for 262 beneficiaries.
Where is Maria Roma Paula Delarrazabal, FNP-C located? ▼
Maria Roma Paula Delarrazabal, FNP-C is located at 888 S RANCHO DR, Las Vegas, NV, 89106. Phone: (702) 877-5199.
What is Maria Roma Paula Delarrazabal, FNP-C's NPI number? ▼
Maria Roma Paula Delarrazabal, FNP-C's National Provider Identifier (NPI) is 1932874195, issued on 08/10/2021.
How many Emergency Registered Nurse providers are there in the US? ▼
There are 4,350 Emergency Registered Nurse providers across 54 states in the US. The average Emergency Registered Nurse provider writes 710 Medicare Part D claims per year.
What drugs does Maria Roma Paula Delarrazabal, FNP-C prescribe most often? ▼
Based on 2023 Medicare Part D data, Maria Roma Paula Delarrazabal, FNP-C's most frequently prescribed drugs include Prednisone, Fluticasone Propionate, Albuterol Sulfate Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Maria Roma Paula Delarrazabal, FNP-C accept Medicare? ▼
Maria Roma Paula Delarrazabal, FNP-C appears in CMS Medicare data with 461 Part D claims and 262 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Maria Roma Paula Delarrazabal, FNP-C's credentials? ▼
Maria Roma Paula Delarrazabal, FNP-C's NPI is 1932874195 with credentials FNP-C. 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.