2026 NPPES data Nurse Practitioner NPI 1790904738 NP
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MARIA ARELLANO, NP

Nurse Practitioner in REDWOOD CITY, 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
237
Medicare Part D claims · 22 beneficiaries · Nurse Practitioner avg: 1K
Industry payments
$26.78
1 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: MARIA ARELLANO, NP is a Nurse Practitioner ([object Object]) practicing in REDWOOD CITY, California with a Medicare Part D prescribing footprint of 237 claims across 22 beneficiaries . Industry payments of $26.78 across 1 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: MARIA ARELLANO, NP filed 237 Medicare Part D claims in 2023 across REDWOOD CITY, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

MARIA ARELLANO, NP at a glance

Quality data not reported

NPI registry status

Active

Issued 04/25/2007

NPI 1790904738

Primary specialty

Nurse Practitioner

High-volume

87,227 US NPIs in this specialty

Medicare Part D claims

237 78% vs specialty avg

2023 prescription claims

Specialty avg: 1,084

Specialty distribution in California

How Nurse Practitioner compares to other specialties among California providers

California providers

Nurse Practitioner share within California

1. Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Nurse Practitioner share within California

Specialty board-certification context

Estimated specialty board-certified rate — Nurse Practitioner (ABMS / AOA reference)

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

Est. board-certified rate (Nurse Practitioner) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Nurse Practitioner) — 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).

MARIA ARELLANO, NP is a Nurse Practitioner provider practicing in REDWOOD CITY, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: NP. NPI: 1790904738. 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.

MARIA ARELLANO, NP appears in the CMS NPPES registry as a Nurse Practitioner provider holding NP credentials at 2907 EL CAMINO REAL, REDWOOD CITY, CA, 94061, with a listed phone of (650) 503-7810. NPI 1790904738 was issued on 04/25/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ARELLANO 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 237 prescription claims written by this provider, covering 22 Medicare beneficiaries and totaling roughly $12K 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.

Nurse Practitioner is a high-volume specialty nationwide, with 87,227 enrolled providers across 56 states and an average of 1,084 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

2907 EL CAMINO REAL
REDWOOD CITY, CA 94061

Provider Details

NPI 1790904738
Specialty Nurse Practitioner
Credentials NP
Gender Female
NPI Issued 04/25/2007

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 MARIA ARELLANO, NP. Source: openpaymentsdata.cms.gov.

Total received

$27

Largest payer

ABBVIE 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 — 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 MARIA ARELLANO, NP. To verify MARIA ARELLANO, 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.

237
Total Claims
$12K
Total Drug Cost
22
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
343
Total Day Supply
10,248
Brand Drug Cost
$0
Generic Drug Cost
$12K

Patient Demographics

Average Patient Age
64.7 years
Avg HCC Risk Score
0.92
Gender Split
50% female / 50% male
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 2023. Based on Medicare Part D data only.

Drug Claims
Mirtazapine
43
Duloxetine Hcl
37
Bupropion Xl
Bupropion Hcl
29
Quetiapine Fumarate Er
Quetiapine Fumarate
20
Trazodone Hcl
18
Prazosin Hcl
15
Quetiapine Fumarate
13
Ramelteon
13
Olanzapine
12
Baclofen
11

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

Nurse Practitioner Overview

How MARIA ARELLANO, NP fits within the Nurse Practitioner landscape nationally.

87,227
Nurse Practitioner Providers in US
56
States with Nurse Practitioner
1,084
Avg Claims per Provider

MARIA ARELLANO, NP's 237 claims are below the specialty average of 1,084.

Nearby Nurse Practitioner Providers in California

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

Compare Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARIA ARELLANO, NP's specialty?
MARIA ARELLANO, NP specializes in Nurse Practitioner and practices in REDWOOD CITY, California. Credentials: NP.
How much does MARIA ARELLANO, NP prescribe under Medicare Part D?
In 2023, MARIA ARELLANO, NP wrote 237 Medicare Part D claims totaling $12K in drug costs for 22 beneficiaries.
Where is MARIA ARELLANO, NP located?
MARIA ARELLANO, NP is located at 2907 EL CAMINO REAL, REDWOOD CITY, CA, 94061. Phone: (650) 503-7810.
What is MARIA ARELLANO, NP's NPI number?
MARIA ARELLANO, NP's National Provider Identifier (NPI) is 1790904738, issued on 04/25/2007.
How many Nurse Practitioner providers are there in the US?
There are 87,227 Nurse Practitioner providers across 56 states in the US. The average Nurse Practitioner provider writes 1,084 Medicare Part D claims per year.
What drugs does MARIA ARELLANO, NP prescribe most often?
Based on 2023 Medicare Part D data, MARIA ARELLANO, NP's most frequently prescribed drugs include Mirtazapine, Duloxetine Hcl, Bupropion Xl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARIA ARELLANO, NP accept Medicare?
MARIA ARELLANO, NP appears in CMS Medicare data with 237 Part D claims and 22 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARIA ARELLANO, NP's credentials?
MARIA ARELLANO, NP's NPI is 1790904738 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.
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