Catherine Lai-Hsu, PA-C
NPI 1902395486 · Medical Physician Assistant · Ocoee, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Lai-Hsu, PA-C is a Medical Physician Assistant provider in Ocoee, FL (NPI 1902395486).
Provider details
- NPI number
- 1902395486
- 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
- Physician Assistant363A00000X
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
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
168 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 85 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $103 |
Typical Medicare-allowed amounts for these services range $58–$103 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 82 | 12 |
| Buspirone Hcl | 75 | 18 |
| Trazodone Hcl | 70 | 16 |
| Mirtazapine | 56 | 12 |
| Sertraline Hcl | 53 | 11 |
| Quetiapine Fumarate | 51 | — |
| Bupropion Hclbrand: Bupropion Xl | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,701 across 71 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
Additional practice locations (1)
- 710 N Sun DrLake Mary, FL 32746-2507Phone: (407) 805-3131
Registry dates
- Enumerated
- 2018-05-09
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Catherine Lai-Hsu's NPI number?
- Catherine Lai-Hsu's National Provider Identifier (NPI) is 1902395486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Lai-Hsu's specialty?
- Catherine Lai-Hsu is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Lai-Hsu located?
- Catherine Lai-Hsu's practice location on file with NPPES is 1572 Citrus Medical Ct, Ocoee, FL 34761-4547.
- What is Catherine Lai-Hsu's phone number?
- The practice phone number listed in the NPPES registry for Catherine Lai-Hsu is (855) 501-1004.
- Does Catherine Lai-Hsu accept Medicare?
- Catherine Lai-Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Lai-Hsu's NPI active?
- Yes — Catherine Lai-Hsu's NPI (1902395486) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.