Hoan Nguyen, PA-C
NPI 1588378699 · Medical Physician Assistant · Redwood City, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoan Nguyen, PA-C is a Medical Physician Assistant provider in Redwood City, CA (NPI 1588378699).
Provider details
- NPI number
- 1588378699
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
293 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $93 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 69 | $113 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 | $168 |
| Measurement of Liver Stiffness91200 | 14 | $34 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 224 | 84 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 124 | 123 |
| Omeprazole | 94 | 32 |
| Famotidine | 84 | 29 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 47 | 45 |
| Linaclotidebrand: Linzess | 35 | 13 |
| Mesalamine | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,347 across 122 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
- 2023-01-12
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is Hoan Nguyen's NPI number?
- Hoan Nguyen's National Provider Identifier (NPI) is 1588378699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoan Nguyen's specialty?
- Hoan Nguyen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hoan Nguyen located?
- Hoan Nguyen's practice location on file with NPPES is 2900 Whipple Ave Ste 245, Redwood City, CA 94062-2851.
- What is Hoan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hoan Nguyen is (650) 365-3700.
- Does Hoan Nguyen accept Medicare?
- Hoan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoan Nguyen's NPI active?
- Yes — Hoan Nguyen's NPI (1588378699) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.