Ryan Nguyen, DO
NPI 1831288406 · Family Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Nguyen, DO is a Family Medicine Physician provider in Long Beach, CA (NPI 1831288406).
Provider details
- NPI number
- 1831288406
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A7395 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 366 | 202 |
| Metformin Hcl | 238 | 122 |
| Amlodipine Besylate | 212 | 113 |
| Lisinopril | 169 | 80 |
| Losartan Potassium | 168 | 87 |
| Diclofenac Sodium | 142 | 60 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$267 across 16 records (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
- 2006-10-12
- Last updated
- 2012-11-28
Frequently asked questions
- What is Ryan Nguyen's NPI number?
- Ryan Nguyen's National Provider Identifier (NPI) is 1831288406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Nguyen's specialty?
- Ryan Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Nguyen located?
- Ryan Nguyen's practice location on file with NPPES is 3200 Long Beach Boulevard, Long Beach, CA 90806-5062.
- What is Ryan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ryan Nguyen is (562) 981-6865.
- Does Ryan Nguyen accept Medicare?
- Ryan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Nguyen's NPI active?
- Yes — Ryan Nguyen's NPI (1831288406) is active in the NPPES registry as of the last update on 2012-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.