2026 NPPES data Gerontology Clinical Nurse Specialist NPI 1578299061 APRN, AG-CNS
Verify on CMS →

MARILU SANCHEZ, APRN, AG-CNS

Gerontology Clinical Nurse Specialist in AUSTIN, Texas. 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
1K
Medicare Part D claims · 73 beneficiaries · Gerontology Clinical Nurse Specialist avg: 906
Industry payments
$76.92
2 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

MARILU SANCHEZ, APRN, AG-CNS filed 1,287 Medicare Part D claims in 2023 as a Gerontology Clinical Nurse Specialist in AUSTIN, Texas.

1K
Part D claims, 2023
$76.92
industry payments (Sunshine Act)

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.

MARILU SANCHEZ, APRN, AG-CNS's Medicare Part D volume vs every U.S. prescriber

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

1,287 Top 22% higher than 78% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). This entry sits in this band. 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

What does the federal data show about MARILU SANCHEZ, APRN, AG-CNS?

Quality data not reported

NPI registry status

Active

Issued 07/27/2022

NPI 1578299061

Primary specialty

Gerontology Clinical Nurse Specialist

Rare

393 US NPIs in this specialty

Medicare Part D claims

1,287 42% vs specialty avg

2023 prescription claims

Specialty avg: 906

Specialty distribution in Texas

How Gerontology Clinical Nurse Specialist compares to other specialties among Texas providers

Texas providers

Gerontology Clinical Nurse Specialist share within Texas

1. Gerontology Clinical Nurse Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Gerontology Clinical Nurse Specialist share within Texas

Specialty board-certification context

Estimated specialty board-certified rate — Gerontology Clinical Nurse Specialist (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Gerontology Clinical Nurse Specialist ABMS/AOA estimate

Est. board-certified rate (Gerontology Clinical Nurse Specialist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Gerontology Clinical Nurse Specialist) — 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).

MARILU SANCHEZ, APRN, AG-CNS appears in the CMS NPPES registry as a Gerontology Clinical Nurse Specialist provider holding APRN, AG-CNS credentials at 1108 LAVACA ST STE 110-320, AUSTIN, TX, 78701, with a listed phone of (512) 477-4088. NPI 1578299061 was issued on 07/27/2022. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SANCHEZ 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 1,287 prescription claims written by this provider, covering 73 Medicare beneficiaries and totaling roughly $114K in drug spend. 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.

Gerontology Clinical Nurse Specialist is a narrow specialty nationwide, with 393 enrolled providers across 47 states and an average of 906 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

1108 LAVACA ST STE 110-320
AUSTIN, TX 78701

Provider Details

NPI 1578299061
Specialty Gerontology Clinical Nurse Specialist
Credentials APRN, AG-CNS
Gender Female
NPI Issued 07/27/2022

Hospital and facility affiliations

Facilities where MARILU SANCHEZ, APRN, AG-CNS 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.

AUSTIN GERIATRIC SPECIALISTS PLLC
AUSTIN, TX

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

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 MARILU SANCHEZ, APRN, AG-CNS. Source: openpaymentsdata.cms.gov.

Total received

$77

Largest payer

ACADIA 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.

License & disciplinary context — Texas TMB 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~77K Texas medical licensees in 2023 — they are NOT specific to MARILU SANCHEZ, APRN, AG-CNS. To verify MARILU SANCHEZ, APRN, AG-CNS's current license status, search the TMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

344
Total board actions, Texas 2023
Across 334 cases
4.47
Actions per 1,000 licensees
Texas statewide rate
probation
Most common action type
94 cases

TMB publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Texas disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

1,287
Total Claims
$114K
Total Drug Cost
73
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,576
Total Day Supply
42,850
Generic Drug Cost
$33K
Antibiotic Claims
33

Patient Demographics

Average Patient Age
85.0 years
Avg HCC Risk Score
2.37
Gender Split
74% female / 26% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What MARILU SANCHEZ, APRN, AG-CNS 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
Levothyroxine Sodium
77
Potassium Chloride
61
Metoprolol Tartrate
45
Trazodone Hcl
43
Eliquis
Apixaban
42
Amlodipine Besylate
37
Myrbetriq
Mirabegron
34
Pantoprazole Sodium
34
Mirtazapine
33
Sertraline Hcl
29

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

Gerontology Clinical Nurse Specialist Overview

How MARILU SANCHEZ, APRN, AG-CNS fits within the Gerontology Clinical Nurse Specialist landscape nationally.

393
Gerontology Clinical Nurse Specialist Providers in US
47
States with Gerontology Clinical Nurse Specialist
906
Avg Claims per Provider

MARILU SANCHEZ, APRN, AG-CNS's 1,287 claims are above the specialty average of 906.

Nearby Gerontology Clinical Nurse Specialist Providers in Texas

Other clinicians with the same primary specialty enrolled in Texas, drawn from the same CMS NPPES roster as SANCHEZ.

Compare Gerontology Clinical Nurse Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARILU SANCHEZ, APRN, AG-CNS's specialty?
MARILU SANCHEZ, APRN, AG-CNS specializes in Gerontology Clinical Nurse Specialist and practices in AUSTIN, Texas. Credentials: APRN, AG-CNS.
How much does MARILU SANCHEZ, APRN, AG-CNS prescribe under Medicare Part D?
In 2023, MARILU SANCHEZ, APRN, AG-CNS wrote 1,287 Medicare Part D claims totaling $114K in drug costs for 73 beneficiaries.
Where is MARILU SANCHEZ, APRN, AG-CNS located?
MARILU SANCHEZ, APRN, AG-CNS is located at 1108 LAVACA ST STE 110-320, AUSTIN, TX, 78701. Phone: (512) 477-4088.
What is MARILU SANCHEZ, APRN, AG-CNS's NPI number?
MARILU SANCHEZ, APRN, AG-CNS's National Provider Identifier (NPI) is 1578299061, issued on 07/27/2022.
How many Gerontology Clinical Nurse Specialist providers are there in the US?
There are 393 Gerontology Clinical Nurse Specialist providers across 47 states in the US. The average Gerontology Clinical Nurse Specialist provider writes 906 Medicare Part D claims per year.
What drugs does MARILU SANCHEZ, APRN, AG-CNS prescribe most often?
Based on 2023 Medicare Part D data, MARILU SANCHEZ, APRN, AG-CNS's most frequently prescribed drugs include Levothyroxine Sodium, Potassium Chloride, Metoprolol Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARILU SANCHEZ, APRN, AG-CNS accept Medicare?
MARILU SANCHEZ, APRN, AG-CNS appears in CMS Medicare data with 1,287 Part D claims and 73 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARILU SANCHEZ, APRN, AG-CNS's credentials?
MARILU SANCHEZ, APRN, AG-CNS's NPI is 1578299061 with credentials APRN, AG-CNS. 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