2026 NPPES data Optometrist NPI 1235166109 O.D
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MARILYN GONZALEZ, O.D

Optometrist in LAS VEGAS, Nevada. 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
33
Medicare Part D claims · 13 beneficiaries · Optometrist avg: 257
Generic prescribing
64%
generic claims · 36% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$32.04
2 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: MARILYN GONZALEZ, O.D is a Optometrist ([object Object]) practicing in LAS VEGAS, Nevada with a Medicare Part D prescribing footprint of 33 claims across 13 beneficiaries — 36% brand-name prescribing . Industry payments of $32.04 across 2 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: MARILYN GONZALEZ, O.D filed 33 Medicare Part D claims in 2023 across LAS VEGAS, Nevada. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

MARILYN GONZALEZ, O.D at a glance

Quality data not reported

NPI registry status

Active

Issued 06/27/2006

NPI 1235166109

Primary specialty

Optometrist

High-volume

60,463 US NPIs in this specialty

Medicare Part D claims

33 87% vs specialty avg

2023 prescription claims

Specialty avg: 257

Specialty distribution in Nevada

How Optometrist compares to other specialties among Nevada providers

Nevada providers

Optometrist share within Nevada

1. Optometrist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Optometrist share within Nevada

Specialty board-certification context

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

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

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

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

MARILYN GONZALEZ, O.D is a Optometrist provider practicing in LAS VEGAS, Nevada, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: O.D. NPI: 1235166109. 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.

MARILYN GONZALEZ, O.D appears in the CMS NPPES registry as a Optometrist provider holding O.D credentials at 3300 E. FLAMINGO RD, LAS VEGAS, NV, 89121, with a listed phone of (702) 434-9919. NPI 1235166109 was issued on 06/27/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GONZALEZ 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 33 prescription claims written by this provider, covering 13 Medicare beneficiaries and totaling roughly $10K in drug spend, split 36% brand-name and 64% 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.

Optometrist is a high-volume specialty nationwide, with 60,463 enrolled providers across 56 states and an average of 257 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

3300 E. FLAMINGO RD
LAS VEGAS, NV 89121

Provider Details

NPI 1235166109
Specialty Optometrist
Credentials O.D
Gender Female
NPI Issued 06/27/2006

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 MARILYN GONZALEZ, O.D. Source: openpaymentsdata.cms.gov.

Total received

$32

Largest payer

Alcon Vision LLC

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.

Brand vs generic prescribing mix · Above average

MARILYN GONZALEZ, O.D — brand share 36.0%
Specialty average (est.)

36% brand-name claims vs 64% generic, on 33 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.

33
Total Claims
$10K
Total Drug Cost
13
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
37
Total Day Supply
924
Brand vs Generic
36% brand / 64% generic
Brand Drug Cost
$10K
Generic Drug Cost
$350

Patient Demographics

Average Patient Age
74.6 years
Avg HCC Risk Score
1.27

Optometrist Overview

How MARILYN GONZALEZ, O.D fits within the Optometrist landscape nationally.

60,463
Optometrist Providers in US
56
States with Optometrist
257
Avg Claims per Provider

MARILYN GONZALEZ, O.D's 33 claims are below the specialty average of 257.

Nearby Optometrist Providers in Nevada

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

Compare Optometrist nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARILYN GONZALEZ, O.D's specialty?
MARILYN GONZALEZ, O.D specializes in Optometrist and practices in LAS VEGAS, Nevada. Credentials: O.D.
How much does MARILYN GONZALEZ, O.D prescribe under Medicare Part D?
In 2023, MARILYN GONZALEZ, O.D wrote 33 Medicare Part D claims totaling $10K in drug costs for 13 beneficiaries.
Where is MARILYN GONZALEZ, O.D located?
MARILYN GONZALEZ, O.D is located at 3300 E. FLAMINGO RD, LAS VEGAS, NV, 89121. Phone: (702) 434-9919.
What is MARILYN GONZALEZ, O.D's NPI number?
MARILYN GONZALEZ, O.D's National Provider Identifier (NPI) is 1235166109, issued on 06/27/2006.
Does MARILYN GONZALEZ, O.D prescribe more brand-name or generic drugs?
MARILYN GONZALEZ, O.D's prescribing is 36% brand-name and 64% generic drugs by claim count, with $10K in brand drug costs.
How many Optometrist providers are there in the US?
There are 60,463 Optometrist providers across 56 states in the US. The average Optometrist provider writes 257 Medicare Part D claims per year.
Does MARILYN GONZALEZ, O.D accept Medicare?
MARILYN GONZALEZ, O.D appears in CMS Medicare data with 33 Part D claims and 13 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARILYN GONZALEZ, O.D's credentials?
MARILYN GONZALEZ, O.D's NPI is 1235166109 with credentials O.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