NPI registry status
Active
2026 NPPES data Personal Emergency Response Attendant NPI 1740204841 MD
Verify on CMS → Mario Fernandez, MD
Personal Emergency Response Attendant in Fajardo, 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 814 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
92
Medicare Part D claims · 26 beneficiaries · Personal Emergency Response Attendant avg: 1K
Generic prescribing
84%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$70.42
3 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Mario Fernandez, MD filed 92 Medicare Part D claims in 2024 as a Personal Emergency Response Attendant in Fajardo, Puerto Rico, prescribing 84% generic.
- 92
- Part D claims, 2024
- 84%
- generic prescribing
- $70.42
- industry payments (Sunshine Act)
- ≥0th
- 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 Mario Fernandez, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1740204841), first enumerated 07/26/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 92 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Industry payment transparency
$70.42 in reported industry payments (3 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- 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 1740204841 · Personal Emergency Response Attendant
NPI-10 · ENUM-LEGACY · TAX-NARROW · RX-TRACE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1740204841
- ENUM-LEGACY 2006
- TAX-NARROW 814
- RX-TRACE 92
- BOOK-THIN 97 in Puerto Rico
- PHOTO-ENUM Marita Volk, M.D. · 2006
Mario Fernandez, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
92 ≥ 0th percentile 0% 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 Mario Fernandez, MD?
Quality data not reportedPrimary specialty
Personal Emergency Response Attendant
Medicare Part D claims
92 91% vs specialty avg
Specialty distribution in Puerto Rico
How Personal Emergency Response Attendant 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 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).
Practice Address
Provider Details
| NPI | 1740204841 |
|---|---|
| Specialty | Personal Emergency Response Attendant |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 07/26/2006 |
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 Mario Fernandez, MD. Source: openpaymentsdata.cms.gov.
Total received
$70
Largest payer
Janssen Pharmaceuticals, 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
Mario Fernandez, MD - brand share 16.0%
Personal Emergency Response Attendant average
16% brand-name claims vs 84% generic, on 92 2024 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 2024.
92
Total Claims
$6K
Total Drug Cost
26
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 92.667
- Total Day Supply
- 1,669
- Brand vs Generic
- 16% brand / 84% generic
- Brand Drug Cost
- $4K
- Generic Drug Cost
- $2K
- Antibiotic Claims
- 11
Patient Demographics
- Average Patient Age
- 65.5 years
- Avg HCC Risk Score
- 1.74
- Age Distribution
- <65: 11, 65-74: N/A, 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.
| Drug | Claims |
|---|---|
| Famotidine | 15 |
| Enoxaparin Sodium | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Personal Emergency Response Attendant in PR →
All providers in Puerto Rico →
Compare specialties →
Personal Emergency Response Attendant Overview
How Mario Fernandez, MD fits within the Personal Emergency Response Attendant landscape nationally.
814
Personal Emergency Response Attendant Providers in US
48
States with Personal Emergency Response Attendant
1,034
Avg Claims per Provider
Mario Fernandez, MD's 92 claims are below the specialty average of 1,034.
Nationwide Personal Emergency Response Attendant peers with similar MIPS or enrollment year
Two federal-record peer sets for Fernandez, both outside Puerto Rico 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 Personal Emergency Response Attendant Providers in Puerto Rico
Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as Fernandez.
One of 97 Personal Emergency Response Attendant providers enrolled in Puerto Rico, 5 are shown here.
Dr. Waika Acosta
M.D.
San German, PR
Dr. Jose Aguilo
MD
Mayaguez, PR
Daniel Ayala
Canovanas, PR
Ramon Calderon
Aguadilla, PR
Dr. Migdonio Camacho
M.D.
Quebradillas, PR
Compare Personal Emergency Response Attendant nationally: see state-by-state distribution →
Frequently Asked Questions
What is Mario Fernandez, MD's specialty? ▼
Mario Fernandez, MD specializes in Personal Emergency Response Attendant and practices in Fajardo, Puerto Rico. Credentials: MD.
How much does Mario Fernandez, MD prescribe under Medicare Part D? ▼
In 2024, Mario Fernandez, MD wrote 92 Medicare Part D claims totaling $6K in drug costs for 26 beneficiaries.
Where is Mario Fernandez, MD located? ▼
Mario Fernandez, MD is located at HIMA SAN PABLO DEL ESTE AVE CONQUISTADOR, Fajardo, PR, 00738. Phone: (787) 863-0505.
What is Mario Fernandez, MD's NPI number? ▼
Mario Fernandez, MD's National Provider Identifier (NPI) is 1740204841, issued on 07/26/2006.
Does Mario Fernandez, MD prescribe more brand-name or generic drugs? ▼
Mario Fernandez, MD's prescribing is 16% brand-name and 84% generic drugs by claim count, with $4K in brand drug costs.
How many Personal Emergency Response Attendant providers are there in the US? ▼
There are 814 Personal Emergency Response Attendant providers across 48 states in the US. The average Personal Emergency Response Attendant provider writes 1,034 Medicare Part D claims per year.
What drugs does Mario Fernandez, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Mario Fernandez, MD's most frequently prescribed drugs include Famotidine, Enoxaparin Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Mario Fernandez, MD accept Medicare? ▼
Mario Fernandez, MD appears in CMS Medicare data with 92 Part D claims and 26 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Mario Fernandez, MD's credentials? ▼
Mario Fernandez, MD's NPI is 1740204841 with credentials MD. 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.