Daniel Luong, M.D.
NPI 1811420508 · Internal Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Luong, M.D. is a Internal Medicine Physician provider in Garden Grove, CA (NPI 1811420508).
Provider details
- NPI number
- 1811420508
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 255 | 139 |
| Amlodipine Besylate | 212 | 108 |
| Losartan Potassium | 138 | 69 |
| Pantoprazole Sodium | 104 | 59 |
| Metformin Hcl | 86 | 44 |
| Tamsulosin Hcl | 85 | 47 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-10
- Last updated
- 2023-12-22
- Certified
- 2020-08-06
Frequently asked questions
- What is Daniel Luong's NPI number?
- Daniel Luong's National Provider Identifier (NPI) is 1811420508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Luong's specialty?
- Daniel Luong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Luong located?
- Daniel Luong's practice location on file with NPPES is 9191 Westminster Ave, Garden Grove, CA 92844-2751.
- What is Daniel Luong's phone number?
- The practice phone number listed in the NPPES registry for Daniel Luong is (714) 899-2000.
- Does Daniel Luong accept Medicare?
- Daniel Luong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Luong's NPI active?
- Yes — Daniel Luong's NPI (1811420508) is active in the NPPES registry as of the last update on 2023-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.