NPI registry status
Active
2026 NPPES data Ophthalmology Physician NPI 1386750438 MD
Verify on CMS → Danny Luong, MD
Ophthalmology Physician in San Jose, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 22,090 in Ophthalmology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
532
Medicare Part D claims · 130 beneficiaries · Ophthalmology Physician avg: 1K
Generic prescribing
39%
generic claims · 61% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Danny Luong, MD filed 532 Medicare Part D claims in 2023 as a Ophthalmology Physician in San Jose, California, prescribing 39% generic.
- 532
- Part D claims, 2023
- 39%
- 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.
Danny Luong, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
532 Top 34% higher than 66% of 1,370,886 prescribers
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
◑
Board-eligible specialty (heuristic, not verified)
Danny Luong, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Danny Luong, MD?
Quality data not reportedPrimary specialty
Ophthalmology Physician
Medicare Part D claims
532 63% vs specialty avg
Specialty distribution in California
How Ophthalmology Physician compares to other specialties among California providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Ophthalmology Physician. Verify directly:
How MIPS and board certification work
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).
Danny Luong, MD appears in the CMS NPPES registry as a Ophthalmology Physician provider holding MD credentials at 200 JOSE FIGUERES AVE, San Jose, CA, 95116, with a listed phone of (408) 923-8138. NPI 1386750438 was issued on 08/22/2006.
Medicare Part D records for calendar year 2023 show 532 prescription claims written by this provider, covering 130 Medicare beneficiaries and totaling roughly $272K in drug spend, split 61% brand-name and 39% generic by claim count.
Ophthalmology Physician is a mid-sized specialty nationwide, with 22,090 enrolled providers across 56 states and an average of 1,420 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
Provider Details
| NPI | 1386750438 |
|---|---|
| Specialty | Ophthalmology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 08/22/2006 |
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 Danny Luong, MD. To verify Danny Luong, MD'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
Danny Luong, MD - brand share 61.0%
Ophthalmology Physician average
61% brand-name claims vs 39% generic, on 532 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.
532
Total Claims
$272K
Total Drug Cost
130
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 811
- Total Day Supply
- 23,194
- Brand vs Generic
- 61% brand / 39% generic
- Brand Drug Cost
- $253K
- Generic Drug Cost
- $19K
Patient Demographics
- Average Patient Age
- 78.4 years
- Avg HCC Risk Score
- 1.21
- Gender Split
- 64% female / 36% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Danny Luong, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Restasis
Restasis
128 claims
- Azelastine Hcl
Azelastine Hcl
102 claims
- Latanoprost 39
Latanoprost
39 claims
- Lumigan 27
Lumigan
27 claims
- Olopatadine Hcl 27
Olopatadine Hcl
27 claims
- Xiidra 20
Xiidra
20 claims
- Cyclosporine 17
Cyclosporine
17 claims
- Ilevro 15
Ilevro
15 claims
| Drug | Claims |
|---|---|
| Restasis Cyclosporine | 128 |
| Azelastine Hcl | 102 |
| Latanoprost | 39 |
| Lumigan Bimatoprost | 27 |
| Olopatadine Hcl | 27 |
| Xiidra Lifitegrast | 20 |
| Cyclosporine | 17 |
| Ilevro Nepafenac | 15 |
| Moxifloxacin Moxifloxacin Hcl | 15 |
| Prednisolone Acetate | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Ophthalmology Physician Overview
How Danny Luong, MD fits within the Ophthalmology Physician landscape nationally.
22,090
Ophthalmology Physician Providers in US
56
States with Ophthalmology Physician
1,420
Avg Claims per Provider
Danny Luong, MD's 532 claims are below the specialty average of 1,420.
Nearby Ophthalmology Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Luong.
Dr. Sam Abbassi
MD, MS
West Hills, CA
Dr. Richard Abbott
M.D.
San Francisco, CA
Dr. Nizar Abdelfattah
MD
Pasadena, CA
Dr. Parastou Abedi
MD
Aliso Viejo, CA
Dr. Shahla Abedi
MD
Aliso Viejo, CA
Compare Ophthalmology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the California medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Ophthalmology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Danny Luong, MD's specialty? ▼
Danny Luong, MD specializes in Ophthalmology Physician and practices in San Jose, California. Credentials: MD.
How much does Danny Luong, MD prescribe under Medicare Part D? ▼
In 2023, Danny Luong, MD wrote 532 Medicare Part D claims totaling $272K in drug costs for 130 beneficiaries.
Where is Danny Luong, MD located? ▼
Danny Luong, MD is located at 200 JOSE FIGUERES AVE, San Jose, CA, 95116. Phone: (408) 923-8138.
What is Danny Luong, MD's NPI number? ▼
Danny Luong, MD's National Provider Identifier (NPI) is 1386750438, issued on 08/22/2006.
Does Danny Luong, MD prescribe more brand-name or generic drugs? ▼
Danny Luong, MD's prescribing is 61% brand-name and 39% generic drugs by claim count, with $253K in brand drug costs.
How many Ophthalmology Physician providers are there in the US? ▼
There are 22,090 Ophthalmology Physician providers across 56 states in the US. The average Ophthalmology Physician provider writes 1,420 Medicare Part D claims per year.
What drugs does Danny Luong, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Danny Luong, MD's most frequently prescribed drugs include Restasis, Azelastine Hcl, Latanoprost. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Danny Luong, MD accept Medicare? ▼
Danny Luong, MD appears in CMS Medicare data with 532 Part D claims and 130 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Danny Luong, MD's credentials? ▼
Danny Luong, MD's NPI is 1386750438 with credentials MD. 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
View source datasets and methodology notes
- 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
Compiled from official public sources by the PlainDoctor editorial team.