2026 NPPES data Maternal Newborn Registered Nurse NPI 1487093126 NP
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MAILA MARINAS, NP

Maternal Newborn Registered Nurse in LA MESA, California. 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
38
Medicare Part D claims · 19 beneficiaries · Maternal Newborn Registered Nurse avg: 290
MIPS score
73.6207/100
▼ 9 pts below national avg 83.1 · [object Object]
What the federal data reveals: MAILA MARINAS, NP is a Maternal Newborn Registered Nurse ([object Object]) practicing in LA MESA, California with a Medicare Part D prescribing footprint of 38 claims across 19 beneficiaries . Their CMS MIPS Final Score of 73.6207/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: MAILA MARINAS, NP reported a CMS MIPS final score of 73.6207 out of 100, below the 83.1 national average, and filed 38 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

MAILA MARINAS, NP at a glance

Below national average

NPI registry status

Active

Issued 06/16/2013

NPI 1487093126

Primary specialty

Maternal Newborn Registered Nurse

Niche

811 US NPIs in this specialty

Medicare Part D claims

38 87% vs specialty avg

2023 prescription claims

Specialty avg: 290

MIPS final score

73.6207/100 9.479299999999995% pts

Mid-tier band

vs 83.1 national avg

Specialty distribution in California

How Maternal Newborn Registered Nurse compares to other specialties among California providers

California providers

Maternal Newborn Registered Nurse share within California

1. Maternal Newborn Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Maternal Newborn Registered Nurse share within California

Medicare quality performance — MIPS

MAILA MARINAS, NP's 2023 MIPS final score plotted against the Maternal Newborn Registered Nurse national average

Below national average
MIPS Final Score
73.6207/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Maternal Newborn Registered Nurse) — 73.6207/100 vs national avg 83.1

0%100%National avg83%73.6%
MIPS final score (Maternal Newborn Registered Nurse) — 73.6207/100 vs national avg 83.1

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).

MAILA MARINAS, NP is a Maternal Newborn Registered Nurse provider practicing in LA MESA, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: NP. NPI: 1487093126. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

MAILA MARINAS, NP appears in the CMS NPPES registry as a Maternal Newborn Registered Nurse provider holding NP credentials at 5525 GROSSMONT CENTER DR, LA MESA, CA, 91942, with a listed phone of (858) 499-2600. NPI 1487093126 was issued on 06/16/2013. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MARINAS 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 38 prescription claims written by this provider, covering 19 Medicare beneficiaries and totaling roughly $2K 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 73.6207/100 for the 2023 performance year (Quality 74.5653, Cost 58.6993), compared with the national average of 83.1.

Maternal Newborn Registered Nurse is a narrow specialty nationwide, with 811 enrolled providers across 50 states and an average of 290 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

5525 GROSSMONT CENTER DR
LA MESA, CA 91942

Provider Details

NPI 1487093126
Specialty Maternal Newborn Registered Nurse
Credentials NP
Gender Female
NPI Issued 06/16/2013

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

73.6207
Final Score
Avg: 83.1
74.5653
Quality
58.6993
Cost

Reporting: Group practice

Hospital and facility affiliations

Facilities where MAILA MARINAS, NP 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.

SHARP REES-STEALY MEDICAL GROUP INC
LA MESA, CA

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

License & disciplinary context — California MBC 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 ~150K California medical licensees in 2023 — they are NOT specific to MAILA MARINAS, NP. To verify MAILA MARINAS, NP's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC 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 California 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.

38
Total Claims
$2K
Total Drug Cost
19
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
55
Total Day Supply
1,324
Generic Drug Cost
$2K

Patient Demographics

Average Patient Age
68.2 years
Avg HCC Risk Score
1.01
Gender Split
100% female / 0% male

Maternal Newborn Registered Nurse Overview

How MAILA MARINAS, NP fits within the Maternal Newborn Registered Nurse landscape nationally.

811
Maternal Newborn Registered Nurse Providers in US
50
States with Maternal Newborn Registered Nurse
290
Avg Claims per Provider

MAILA MARINAS, NP's 38 claims are below the specialty average of 290.

Nearby Maternal Newborn Registered Nurse Providers in California

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

Compare Maternal Newborn Registered Nurse nationally: see state-by-state distribution →

Frequently Asked Questions

What is MAILA MARINAS, NP's specialty?
MAILA MARINAS, NP specializes in Maternal Newborn Registered Nurse and practices in LA MESA, California. Credentials: NP.
How much does MAILA MARINAS, NP prescribe under Medicare Part D?
In 2023, MAILA MARINAS, NP wrote 38 Medicare Part D claims totaling $2K in drug costs for 19 beneficiaries.
What is MAILA MARINAS, NP's Medicare quality score?
MAILA MARINAS, NP has a CMS MIPS Final Score of 73.6207/100 (Quality: 74.5653, Cost: 58.6993). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is MAILA MARINAS, NP located?
MAILA MARINAS, NP is located at 5525 GROSSMONT CENTER DR, LA MESA, CA, 91942. Phone: (858) 499-2600.
What is MAILA MARINAS, NP's NPI number?
MAILA MARINAS, NP's National Provider Identifier (NPI) is 1487093126, issued on 06/16/2013.
How many Maternal Newborn Registered Nurse providers are there in the US?
There are 811 Maternal Newborn Registered Nurse providers across 50 states in the US. The average Maternal Newborn Registered Nurse provider writes 290 Medicare Part D claims per year.
Does MAILA MARINAS, NP accept Medicare?
MAILA MARINAS, NP appears in CMS Medicare data with 38 Part D claims and 19 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MAILA MARINAS, NP's credentials?
MAILA MARINAS, NP's NPI is 1487093126 with credentials NP. 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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