Lydia Lau, PA-C
NPI 1922629831 · Physician Assistant · Tustin, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lydia Lau, PA-C is a Physician Assistant provider in Tustin, CA (NPI 1922629831).
Provider details
- NPI number
- 1922629831
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA58610 (CA)
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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- 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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 124 | 49 |
| Losartan Potassium | 82 | 37 |
| Amlodipine Besylate | 64 | 32 |
| Levothyroxine Sodium | 58 | 25 |
| Lisinopril | 53 | 26 |
| Rosuvastatin Calcium | 51 | 20 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$438 across 18 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 (3)
- 947 S Anaheim Blvd Ste 260Anaheim, CA 92805-5591Phone: (714) 247-0300Fax: (714) 259-1598
- 1100b N Tustin Ave Ste aSanta Ana, CA 92705-3505Phone: (714) 247-0300Fax: (714) 259-1598
- 14642 Newport Ave Ste 200Tustin, CA 92780-6058Phone: (714) 247-0300Fax: (714) 259-1598
Registry dates
- Enumerated
- 2020-05-01
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Lydia Lau's NPI number?
- Lydia Lau's National Provider Identifier (NPI) is 1922629831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Lau's specialty?
- Lydia Lau is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lydia Lau located?
- Lydia Lau's practice location on file with NPPES is 1 Hope Dr, Tustin, CA 92782-0221.
- What is Lydia Lau's phone number?
- The practice phone number listed in the NPPES registry for Lydia Lau is (714) 247-0300.
- Does Lydia Lau accept Medicare?
- Lydia Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lydia Lau's NPI active?
- Yes — Lydia Lau's NPI (1922629831) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.