Annalysa Nguyen, PA
NPI 1235118035 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annalysa Nguyen, PA is a Physician Assistant provider in Houston, TX (NPI 1235118035).
Provider details
- NPI number
- 1235118035
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 17197 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
96 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $146 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 30 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $112 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 13 | $41 |
Typical Medicare-allowed amounts for these services range $12–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 80 | 32 |
| Semaglutidebrand: Ozempic | 51 | 16 |
| Thyroid,porkbrand: NP Thyroid | 29 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 24 |
| Levothyroxine Sodium | 26 | 11 |
| Fluticasone Propionate | 26 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$290 across 15 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
- 2006-01-11
- Last updated
- 2025-02-14
- Certified
- 2025-02-14
Frequently asked questions
- What is Annalysa Nguyen's NPI number?
- Annalysa Nguyen's National Provider Identifier (NPI) is 1235118035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annalysa Nguyen's specialty?
- Annalysa Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Annalysa Nguyen located?
- Annalysa Nguyen's practice location on file with NPPES is 1140 Cypress Station Dr, Houston, TX 77090-3045.
- What is Annalysa Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Annalysa Nguyen is (281) 440-5300.
- Does Annalysa Nguyen accept Medicare?
- Annalysa Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annalysa Nguyen's NPI active?
- Yes — Annalysa Nguyen's NPI (1235118035) is active in the NPPES registry as of the last update on 2025-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.