2026 NPPES data Neurology with Special Qualifications in Child Neurology Physician NPI 1437278157 M.D.
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MARIO LOYOLA, M.D.

Neurology with Special Qualifications in Child Neurology Physician in MAYAGUEZ, Puerto Rico. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
397
Medicare Part D claims · 24 beneficiaries · Neurology with Special Qualifications in Child Neurology Physician avg: 359
Generic prescribing
96%
generic claims · 4% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

MARIO LOYOLA, M.D. filed 397 Medicare Part D claims in 2023 as a Neurology with Special Qualifications in Child Neurology Physician in MAYAGUEZ, Puerto Rico, prescribing 96% generic.

397
Part D claims, 2023
96%
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.

MARIO LOYOLA, M.D.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

397 Top 43% higher than 57% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

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)

MARIO LOYOLA, 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 MARIO LOYOLA, M.D.?

Quality data not reported

NPI registry status

Active

Issued 03/28/2007

NPI 1437278157

Primary specialty

Neurology with Special Qualifications in Child Neurology Physician

Niche

1,803 US NPIs in this specialty

Medicare Part D claims

397 11% vs specialty avg

2023 prescription claims

Specialty avg: 359

Specialty distribution in Puerto Rico

How Neurology with Special Qualifications in Child Neurology Physician compares to other specialties among Puerto Rico providers

Puerto Rico providers

Neurology with Special Qualifications in Child Neurology Physician share within Puerto Rico

1. Neurology with Special Qualifications in Child Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology with Special Qualifications in Child Neurology Physician share within Puerto Rico

Specialty board-certification context

Estimated specialty board-certified rate — Neurology with Special Qualifications in Child Neurology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Neurology with Special Qualifications in Child Neurology Physician ABMS/AOA estimate

Est. board-certified rate (Neurology with Special Qualifications in Child Neurology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Neurology with Special Qualifications in Child Neurology Physician) — ABMS / AOA estimate

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).

MARIO LOYOLA, M.D. appears in the CMS NPPES registry as a Neurology with Special Qualifications in Child Neurology Physician provider holding M.D. credentials at 60 CALLE POST N, MAYAGUEZ, PR, 00680, with a listed phone of (787) 833-2788. NPI 1437278157 was issued on 03/28/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LOYOLA most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 397 prescription claims written by this provider, covering 24 Medicare beneficiaries and totaling roughly $22K in drug spend, split 4% brand-name and 96% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

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

60 CALLE POST N
MAYAGUEZ, PR 00680

Provider Details

NPI 1437278157
Specialty Neurology with Special Qualifications in Child Neurology Physician
Credentials M.D.
Gender Male
NPI Issued 03/28/2007

Brand vs generic prescribing mix · Generic-heavy

MARIO LOYOLA, M.D. — brand share 4.0%
Specialty average (est.)

4% brand-name claims vs 96% generic, on 397 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.

397
Total Claims
$22K
Total Drug Cost
24
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
515
Total Day Supply
14,792
Brand vs Generic
4% brand / 96% generic
Brand Drug Cost
$10K
Generic Drug Cost
$12K

Patient Demographics

Average Patient Age
62.0 years
Avg HCC Risk Score
1.29
Age Distribution
<65: 13, 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 2023. Based on Medicare Part D data only.

What MARIO LOYOLA, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Baclofen
31
Levetiracetam
29
Mirtazapine
28
Primidone
26
Quetiapine Fumarate
20
Hydrochlorothiazide
16
Carbamazepine Er
Carbamazepine
15
Divalproex Sodium
15
Galantamine Er
Galantamine Hbr
14
Trelegy Ellipta
Fluticasone/Umeclidin/Vilanter
13

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Neurology with Special Qualifications in Child Neurology Physician Overview

How MARIO LOYOLA, M.D. 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

MARIO LOYOLA, M.D.'s 397 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 LOYOLA.

Compare Neurology with Special Qualifications in Child Neurology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARIO LOYOLA, M.D.'s specialty?
MARIO LOYOLA, M.D. specializes in Neurology with Special Qualifications in Child Neurology Physician and practices in MAYAGUEZ, Puerto Rico. Credentials: M.D..
How much does MARIO LOYOLA, M.D. prescribe under Medicare Part D?
In 2023, MARIO LOYOLA, M.D. wrote 397 Medicare Part D claims totaling $22K in drug costs for 24 beneficiaries.
Where is MARIO LOYOLA, M.D. located?
MARIO LOYOLA, M.D. is located at 60 CALLE POST N, MAYAGUEZ, PR, 00680. Phone: (787) 833-2788.
What is MARIO LOYOLA, M.D.'s NPI number?
MARIO LOYOLA, M.D.'s National Provider Identifier (NPI) is 1437278157, issued on 03/28/2007.
Does MARIO LOYOLA, M.D. prescribe more brand-name or generic drugs?
MARIO LOYOLA, M.D.'s prescribing is 4% brand-name and 96% generic drugs by claim count, with $10K 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 MARIO LOYOLA, M.D. prescribe most often?
Based on 2023 Medicare Part D data, MARIO LOYOLA, M.D.'s most frequently prescribed drugs include Baclofen, Levetiracetam, Mirtazapine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARIO LOYOLA, M.D. accept Medicare?
MARIO LOYOLA, M.D. appears in CMS Medicare data with 397 Part D claims and 24 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARIO LOYOLA, M.D.'s credentials?
MARIO LOYOLA, M.D.'s NPI is 1437278157 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

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