Diana Liaw, PA-C
NPI 1770250599 · Physician Assistant · Gainesville, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Liaw, PA-C is a Physician Assistant provider in Gainesville, GA (NPI 1770250599).
Provider details
- NPI number
- 1770250599
- Entity type
- Individual
- Primary specialty
- 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
4 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
428 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) |
|---|---|---|
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 103 | $89 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 59 | $15 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 50 | $10 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 38 | $11 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 36 | $86 |
| Insertion of Tube for Infusion With Imaging Guidance and Review By Radiologist, Patient 5 Years Or Older36573 | 33 | $66 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 2 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
- 2021-08-28
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Diana Liaw's NPI number?
- Diana Liaw's National Provider Identifier (NPI) is 1770250599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Liaw's specialty?
- Diana Liaw is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Liaw located?
- Diana Liaw's practice location on file with NPPES is 200 S Enota Dr Ne Ste 100, Gainesville, GA 30501-3466.
- What is Diana Liaw's phone number?
- The practice phone number listed in the NPPES registry for Diana Liaw is (770) 534-2020.
- Does Diana Liaw accept Medicare?
- Diana Liaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Liaw's NPI active?
- Yes — Diana Liaw's NPI (1770250599) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.