NPI registry status
Active
2026 NPPES data Pain Medicine (Anesthesiology) Physician NPI 1972035269 M.D.
Verify on CMS → Eduardo Irizarry Nieves, M.D.
Pain Medicine (Anesthesiology) Physician in Vega Baja, Puerto Rico.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 4,020 in Pain Medicine (Anesthesiology) Physician, 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
175
Medicare Part D claims · 95 beneficiaries · Pain Medicine (Anesthesiology) Physician avg: 2K
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
Eduardo Irizarry Nieves, M.D. filed 175 Medicare Part D claims in 2023 as a Pain Medicine (Anesthesiology) Physician in Vega Baja, Puerto Rico.
- 175
- 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.
Eduardo Irizarry Nieves, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
175 35th percentile higher than 35% 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
◑
Board-eligible specialty (heuristic, not verified)
Eduardo Irizarry Nieves, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Eduardo Irizarry Nieves, M.D.?
Quality data not reportedPrimary specialty
Pain Medicine (Anesthesiology) Physician
Medicare Part D claims
175 89% vs specialty avg
Specialty distribution in Puerto Rico
How Pain Medicine (Anesthesiology) Physician compares to other specialties among Puerto Rico 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 Pain Medicine (Anesthesiology) Physician. 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).
Eduardo Irizarry Nieves, M.D. appears in the CMS NPPES registry as a Pain Medicine (Anesthesiology) Physician provider holding M.D. credentials at CARRETERA #2 KM 39.5, Vega Baja, PR, 00693, with a listed phone of (787) 858-1580. NPI 1972035269 was issued on 03/28/2017.
Medicare Part D records for calendar year 2023 show 175 prescription claims written by this provider, covering 95 Medicare beneficiaries and totaling roughly $4K in drug spend.
Pain Medicine (Anesthesiology) Physician is a narrow specialty nationwide, with 4,020 enrolled providers across 53 states and an average of 1,657 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 | 1972035269 |
|---|---|
| Specialty | Pain Medicine (Anesthesiology) Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 03/28/2017 |
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
175
Total Claims
$4K
Total Drug Cost
95
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 180
- Total Day Supply
- 3,937
- Brand Drug Cost
- $0
- Generic Drug Cost
- $4K
Patient Demographics
- Average Patient Age
- 68.9 years
- Avg HCC Risk Score
- 1.81
- Gender Split
- 69% female / 31% male
- Age Distribution
- <65: 28, 65-74: 36, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Etodolac | 66 |
| Gabapentin | 39 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Pain Medicine (Anesthesiology) Physician in PR →
All providers in Puerto Rico →
Compare specialties →
Pain Medicine (Anesthesiology) Physician Overview
How Eduardo Irizarry Nieves, M.D. fits within the Pain Medicine (Anesthesiology) Physician landscape nationally.
4,020
Pain Medicine (Anesthesiology) Physician Providers in US
53
States with Pain Medicine (Anesthesiology) Physician
1,657
Avg Claims per Provider
Eduardo Irizarry Nieves, M.D.'s 175 claims are below the specialty average of 1,657.
Nearby Pain Medicine (Anesthesiology) Physician Providers in Puerto Rico
Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as Irizarry Nieves.
Dr. Carlos Buxo Tirado
MD
Toa Baja, PR
Dr. Hector Casiano Pagan
M.D.
Arecibo, PR
Dr. Jose Cruz Cestero
M.D
Coto Laurel, PR
Dr. Roberto Cummings
MD
Mayaguez, PR
Dr. Fernando Gerena Nieves
M.D ,D.A.B.A ,F.ABPM
Catano, PR
Compare Pain Medicine (Anesthesiology) Physician 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 Puerto Rico medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Pain Medicine (Anesthesiology) Physician 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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How to Find a Doctor
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Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Puerto Rico
Frequently Asked Questions
What is Eduardo Irizarry Nieves, M.D.'s specialty? ▼
Eduardo Irizarry Nieves, M.D. specializes in Pain Medicine (Anesthesiology) Physician and practices in Vega Baja, Puerto Rico. Credentials: M.D..
How much does Eduardo Irizarry Nieves, M.D. prescribe under Medicare Part D? ▼
In 2023, Eduardo Irizarry Nieves, M.D. wrote 175 Medicare Part D claims totaling $4K in drug costs for 95 beneficiaries.
Where is Eduardo Irizarry Nieves, M.D. located? ▼
Eduardo Irizarry Nieves, M.D. is located at CARRETERA #2 KM 39.5, Vega Baja, PR, 00693. Phone: (787) 858-1580.
What is Eduardo Irizarry Nieves, M.D.'s NPI number? ▼
Eduardo Irizarry Nieves, M.D.'s National Provider Identifier (NPI) is 1972035269, issued on 03/28/2017.
How many Pain Medicine (Anesthesiology) Physician providers are there in the US? ▼
There are 4,020 Pain Medicine (Anesthesiology) Physician providers across 53 states in the US. The average Pain Medicine (Anesthesiology) Physician provider writes 1,657 Medicare Part D claims per year.
What drugs does Eduardo Irizarry Nieves, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Eduardo Irizarry Nieves, M.D.'s most frequently prescribed drugs include Etodolac, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Eduardo Irizarry Nieves, M.D. accept Medicare? ▼
Eduardo Irizarry Nieves, M.D. appears in CMS Medicare data with 175 Part D claims and 95 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Eduardo Irizarry Nieves, M.D.'s credentials? ▼
Eduardo Irizarry Nieves, M.D.'s NPI is 1972035269 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.