2026 NPPES data Low Vision Rehabilitation Optometrist NPI 1962536649 O.D.
Verify on CMS →

SON NGUYEN, O.D.

Low Vision Rehabilitation Optometrist in COMPTON, 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
125
Medicare Part D claims · 36 beneficiaries · Low Vision Rehabilitation Optometrist avg: 296
Generic prescribing
50%
generic claims · 50% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$75.6
4 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

SON NGUYEN, O.D. filed 125 Medicare Part D claims in 2023 as a Low Vision Rehabilitation Optometrist in COMPTON, California, prescribing 50% generic.

125
Part D claims, 2023
50%
generic prescribing
$75.6
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.

SON NGUYEN, O.D.'s Medicare Part D volume vs every U.S. prescriber

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

125 35th percentile higher than 35% of 1,370,886 prescribers

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

Quality data not reported

NPI registry status

Active

Issued 03/15/2007

NPI 1962536649

Primary specialty

Low Vision Rehabilitation Optometrist

Rare

299 US NPIs in this specialty

Medicare Part D claims

125 58% vs specialty avg

2023 prescription claims

Specialty avg: 296

Specialty distribution in California

How Low Vision Rehabilitation Optometrist compares to other specialties among California providers

California providers

Low Vision Rehabilitation Optometrist share within California

1. Low Vision Rehabilitation Optometrist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Low Vision Rehabilitation Optometrist share within California

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Low Vision Rehabilitation 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).

SON NGUYEN, O.D. appears in the CMS NPPES registry as a Low Vision Rehabilitation Optometrist provider holding O.D. credentials at 318 E COMPTON BLVD, COMPTON, CA, 90221, with a listed phone of (310) 631-3660. NPI 1962536649 was issued on 03/15/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what NGUYEN 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 125 prescription claims written by this provider, covering 36 Medicare beneficiaries and totaling roughly $10K in drug spend, split 50% brand-name and 50% 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.

Low Vision Rehabilitation Optometrist is a narrow specialty nationwide, with 299 enrolled providers across 39 states and an average of 296 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

318 E COMPTON BLVD
COMPTON, CA 90221

Provider Details

NPI 1962536649
Specialty Low Vision Rehabilitation Optometrist
Credentials O.D.
Gender Male
NPI Issued 03/15/2007

Hospital and facility affiliations

Facilities where SON NGUYEN, O.D. 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.

COMPTON EYECARE OPTOMETRY INC
COMPTON, 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).

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 SON NGUYEN, O.D.. Source: openpaymentsdata.cms.gov.

Total received

$76

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.

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 SON NGUYEN, O.D.. To verify SON NGUYEN, O.D.'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 · Brand-heavy

SON NGUYEN, O.D. — brand share 50.0%
Specialty average (est.)

50% brand-name claims vs 50% generic, on 125 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.

125
Total Claims
$10K
Total Drug Cost
36
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
223
Total Day Supply
6,422
Brand vs Generic
50% brand / 50% generic
Brand Drug Cost
$8K
Generic Drug Cost
$1K

Patient Demographics

Average Patient Age
69.4 years
Avg HCC Risk Score
1.30
Gender Split
56% female / 44% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Latanoprost
68
Timolol Maleate
12

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

Low Vision Rehabilitation Optometrist Overview

How SON NGUYEN, O.D. fits within the Low Vision Rehabilitation Optometrist landscape nationally.

299
Low Vision Rehabilitation Optometrist Providers in US
39
States with Low Vision Rehabilitation Optometrist
296
Avg Claims per Provider

SON NGUYEN, O.D.'s 125 claims are below the specialty average of 296.

Nearby Low Vision Rehabilitation Optometrist Providers in California

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

Compare Low Vision Rehabilitation Optometrist nationally: see state-by-state distribution →

Frequently Asked Questions

What is SON NGUYEN, O.D.'s specialty?
SON NGUYEN, O.D. specializes in Low Vision Rehabilitation Optometrist and practices in COMPTON, California. Credentials: O.D..
How much does SON NGUYEN, O.D. prescribe under Medicare Part D?
In 2023, SON NGUYEN, O.D. wrote 125 Medicare Part D claims totaling $10K in drug costs for 36 beneficiaries.
Where is SON NGUYEN, O.D. located?
SON NGUYEN, O.D. is located at 318 E COMPTON BLVD, COMPTON, CA, 90221. Phone: (310) 631-3660.
What is SON NGUYEN, O.D.'s NPI number?
SON NGUYEN, O.D.'s National Provider Identifier (NPI) is 1962536649, issued on 03/15/2007.
Does SON NGUYEN, O.D. prescribe more brand-name or generic drugs?
SON NGUYEN, O.D.'s prescribing is 50% brand-name and 50% generic drugs by claim count, with $8K in brand drug costs.
How many Low Vision Rehabilitation Optometrist providers are there in the US?
There are 299 Low Vision Rehabilitation Optometrist providers across 39 states in the US. The average Low Vision Rehabilitation Optometrist provider writes 296 Medicare Part D claims per year.
What drugs does SON NGUYEN, O.D. prescribe most often?
Based on 2023 Medicare Part D data, SON NGUYEN, O.D.'s most frequently prescribed drugs include Latanoprost, Timolol Maleate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SON NGUYEN, O.D. accept Medicare?
SON NGUYEN, O.D. appears in CMS Medicare data with 125 Part D claims and 36 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SON NGUYEN, O.D.'s credentials?
SON NGUYEN, O.D.'s NPI is 1962536649 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