2026 NPPES data Psychiatric/Mental Health Nurse Practitioner NPI 1942750393
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AMBER AGUILAR

Psychiatric/Mental Health Nurse Practitioner in PLEASANTON, 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
3K
Medicare Part D claims · 198 beneficiaries · Psychiatric/Mental Health Nurse Practitioner avg: 927
Generic prescribing
94%
generic claims · 6% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

AMBER AGUILAR filed 2,550 Medicare Part D claims in 2023 as a Psychiatric/Mental Health Nurse Practitioner in PLEASANTON, California, prescribing 94% generic.

3K
Part D claims, 2023
94%
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.

AMBER AGUILAR's Medicare Part D volume vs every U.S. prescriber

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

2,550 Top 13% higher than 87% 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%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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 AMBER AGUILAR?

Quality data not reported

NPI registry status

Active

Issued 10/10/2016

NPI 1942750393

Primary specialty

Psychiatric/Mental Health Nurse Practitioner

Mid-sized

39,953 US NPIs in this specialty

Medicare Part D claims

2,550 175% vs specialty avg

2023 prescription claims

Specialty avg: 927

Specialty distribution in California

How Psychiatric/Mental Health Nurse Practitioner compares to other specialties among California providers

California providers

Psychiatric/Mental Health Nurse Practitioner share within California

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Psychiatric/Mental Health 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).

AMBER AGUILAR is a Psychiatric/Mental Health Nurse Practitioner provider practicing in PLEASANTON, California, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1942750393. 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.

AMBER AGUILAR appears in the CMS NPPES registry as a Psychiatric/Mental Health Nurse Practitioner provider at 5674 STONERIDGE DR, PLEASANTON, CA, 94588, with a listed phone of (925) 520-0005. NPI 1942750393 was issued on 10/10/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what AGUILAR 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 2,550 prescription claims written by this provider, covering 198 Medicare beneficiaries and totaling roughly $465K in drug spend, split 6% brand-name and 94% 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.

Psychiatric/Mental Health Nurse Practitioner is a mid-sized specialty nationwide, with 39,953 enrolled providers across 54 states and an average of 927 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

5674 STONERIDGE DR
PLEASANTON, CA 94588

Provider Details

NPI 1942750393
Specialty Psychiatric/Mental Health Nurse Practitioner
Gender Female
NPI Issued 10/10/2016

Hospital and facility affiliations

Facilities where AMBER AGUILAR 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.

HIAWATHA HARRIS MD INC.
OAKLAND, CA
PARHELION HEALTHCARE INC
PLEASANTON, 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 AMBER AGUILAR. To verify AMBER AGUILAR'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.

Brand vs generic prescribing mix · Generic-heavy

AMBER AGUILAR — brand share 6.0%
Specialty average (est.)

6% brand-name claims vs 94% generic, on 2,550 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.

2,550
Total Claims
$465K
Total Drug Cost
198
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,575
Total Day Supply
75,461
Brand vs Generic
6% brand / 94% generic
Brand Drug Cost
$345K
Generic Drug Cost
$119K

Patient Demographics

Average Patient Age
55.3 years
Avg HCC Risk Score
1.06
Gender Split
64% female / 36% male
Age Distribution
<65: 129, 65-74: 54, 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
Quetiapine Fumarate
200
Trazodone Hcl
181
Buspirone Hcl
168
Bupropion Xl
Bupropion Hcl
167
Aripiprazole
147
Olanzapine
145
Sertraline Hcl
145
Gabapentin
100
Prazosin Hcl
83
Fluoxetine Hcl
79

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

Psychiatric/Mental Health Nurse Practitioner Overview

How AMBER AGUILAR fits within the Psychiatric/Mental Health Nurse Practitioner landscape nationally.

39,953
Psychiatric/Mental Health Nurse Practitioner Providers in US
54
States with Psychiatric/Mental Health Nurse Practitioner
927
Avg Claims per Provider

AMBER AGUILAR's 2,550 claims are above the specialty average of 927.

Nearby Psychiatric/Mental Health Nurse Practitioner Providers in California

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

Compare Psychiatric/Mental Health Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is AMBER AGUILAR's specialty?
AMBER AGUILAR specializes in Psychiatric/Mental Health Nurse Practitioner and practices in PLEASANTON, California.
How much does AMBER AGUILAR prescribe under Medicare Part D?
In 2023, AMBER AGUILAR wrote 2,550 Medicare Part D claims totaling $465K in drug costs for 198 beneficiaries.
Where is AMBER AGUILAR located?
AMBER AGUILAR is located at 5674 STONERIDGE DR, PLEASANTON, CA, 94588. Phone: (925) 520-0005.
What is AMBER AGUILAR's NPI number?
AMBER AGUILAR's National Provider Identifier (NPI) is 1942750393, issued on 10/10/2016.
Does AMBER AGUILAR prescribe more brand-name or generic drugs?
AMBER AGUILAR's prescribing is 6% brand-name and 94% generic drugs by claim count, with $345K in brand drug costs.
How many Psychiatric/Mental Health Nurse Practitioner providers are there in the US?
There are 39,953 Psychiatric/Mental Health Nurse Practitioner providers across 54 states in the US. The average Psychiatric/Mental Health Nurse Practitioner provider writes 927 Medicare Part D claims per year.
What drugs does AMBER AGUILAR prescribe most often?
Based on 2023 Medicare Part D data, AMBER AGUILAR's most frequently prescribed drugs include Quetiapine Fumarate, Trazodone Hcl, Buspirone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does AMBER AGUILAR accept Medicare?
AMBER AGUILAR appears in CMS Medicare data with 2,550 Part D claims and 198 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify AMBER AGUILAR's credentials?
AMBER AGUILAR's NPI is 1942750393. 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