NPI registry status
Active
2026 NPPES data Neurology with Special Qualifications in Child Neurology Physician NPI 1407828619 MD
Verify on CMS → Samuel Mendez, MD
Neurology with Special Qualifications in Child Neurology Physician in Mayaguez, 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 1,803 in Neurology with Special Qualifications in Child Neurology 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
419
Medicare Part D claims · 38 beneficiaries · Neurology with Special Qualifications in Child Neurology Physician avg: 359
Generic prescribing
85%
generic claims · 12% 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
Samuel Mendez, MD filed 419 Medicare Part D claims in 2023 as a Neurology with Special Qualifications in Child Neurology Physician in Mayaguez, Puerto Rico, prescribing 85% generic.
- 419
- Part D claims, 2023
- 85%
- 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.
Samuel Mendez, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
419 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
◑
Board-eligible specialty (heuristic, not verified)
Samuel Mendez, MD 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 Samuel Mendez, MD?
Quality data not reportedPrimary specialty
Neurology with Special Qualifications in Child Neurology Physician
Medicare Part D claims
419 17% vs specialty avg
Specialty distribution in Puerto Rico
How Neurology with Special Qualifications in Child Neurology 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 Neurology with Special Qualifications in Child Neurology 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).
Samuel Mendez, MD appears in the CMS NPPES registry as a Neurology with Special Qualifications in Child Neurology Physician provider holding MD credentials at 60 N POST ST, Mayaguez, PR, 00680, with a listed phone of (787) 834-5500. NPI 1407828619 was issued on 02/02/2006.
Medicare Part D records for calendar year 2023 show 419 prescription claims written by this provider, covering 38 Medicare beneficiaries and totaling roughly $26K in drug spend, split 12% brand-name and 85% generic by claim count.
Neurology with Special Qualifications in Child Neurology Physician is a narrow specialty nationwide, with 1,803 enrolled providers across 51 states and an average of 359 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 | 1407828619 |
|---|---|
| Specialty | Neurology with Special Qualifications in Child Neurology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 02/02/2006 |
Brand vs generic prescribing mix · Typical
Samuel Mendez, MD - brand share 12.0%
Neurology with Special Qualifications in Child Neurology Physician average
12% brand-name claims vs 85% generic, on 419 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.
419
Total Claims
$26K
Total Drug Cost
38
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 434
- Total Day Supply
- 12,921
- Brand vs Generic
- 12% brand / 85% generic
- Brand Drug Cost
- $18K
- Generic Drug Cost
- $8K
Patient Demographics
- Average Patient Age
- 75.2 years
- Avg HCC Risk Score
- 2.43
- Gender Split
- 53% female / 47% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Samuel Mendez, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Galantamine Er
Galantamine Er
59 claims
- Clonazepam
Clonazepam
35 claims
- Memantine Hcl
Memantine Hcl
33 claims
- Tegretol
Tegretol
24 claims
- Mirtazapine 23
Mirtazapine
23 claims
- Donepezil Hcl 20
Donepezil Hcl
20 claims
- Alprazolam 18
Alprazolam
18 claims
- Carbidopa-Levodopa 17
Carbidopa-Levodopa
17 claims
| Drug | Claims |
|---|---|
| Galantamine Er Galantamine Hbr | 59 |
| Clonazepam | 35 |
| Memantine Hcl | 33 |
| Tegretol Carbamazepine | 24 |
| Mirtazapine | 23 |
| Donepezil Hcl | 20 |
| Alprazolam | 18 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 17 |
| Quetiapine Fumarate | 13 |
| Baclofen | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Neurology with Special Qualifications in Child Neurology Physician in PR →
All providers in Puerto Rico →
Compare specialties →
Neurology with Special Qualifications in Child Neurology Physician Overview
How Samuel Mendez, MD fits within the Neurology with Special Qualifications in Child Neurology Physician landscape nationally.
1,803
Neurology with Special Qualifications in Child Neurology Physician Providers in US
51
States with Neurology with Special Qualifications in Child Neurology Physician
359
Avg Claims per Provider
Samuel Mendez, MD's 419 claims are above the specialty average of 359.
Nearby Neurology with Special Qualifications in Child Neurology Physician Providers in Puerto Rico
Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as Mendez.
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 Neurology with Special Qualifications in Child Neurology 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
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
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 Samuel Mendez, MD's specialty? ▼
Samuel Mendez, MD specializes in Neurology with Special Qualifications in Child Neurology Physician and practices in Mayaguez, Puerto Rico. Credentials: MD.
How much does Samuel Mendez, MD prescribe under Medicare Part D? ▼
In 2023, Samuel Mendez, MD wrote 419 Medicare Part D claims totaling $26K in drug costs for 38 beneficiaries.
Where is Samuel Mendez, MD located? ▼
Samuel Mendez, MD is located at 60 N POST ST, Mayaguez, PR, 00680. Phone: (787) 834-5500.
What is Samuel Mendez, MD's NPI number? ▼
Samuel Mendez, MD's National Provider Identifier (NPI) is 1407828619, issued on 02/02/2006.
Does Samuel Mendez, MD prescribe more brand-name or generic drugs? ▼
Samuel Mendez, MD's prescribing is 12% brand-name and 85% generic drugs by claim count, with $18K in brand drug costs.
How many Neurology with Special Qualifications in Child Neurology Physician providers are there in the US? ▼
There are 1,803 Neurology with Special Qualifications in Child Neurology Physician providers across 51 states in the US. The average Neurology with Special Qualifications in Child Neurology Physician provider writes 359 Medicare Part D claims per year.
What drugs does Samuel Mendez, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Samuel Mendez, MD's most frequently prescribed drugs include Galantamine Er, Clonazepam, Memantine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Samuel Mendez, MD accept Medicare? ▼
Samuel Mendez, MD appears in CMS Medicare data with 419 Part D claims and 38 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Samuel Mendez, MD's credentials? ▼
Samuel Mendez, MD's NPI is 1407828619 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 (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.