Mayling Chau, RN
NPI 1558672634 · Family Nurse Practitioner · Monterey Park, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mayling Chau, RN is a Family Nurse Practitioner provider in Monterey Park, CA (NPI 1558672634).
Provider details
- NPI number
- 1558672634
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 20338 (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
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 263 | 73 |
| Amlodipine Besylate | 135 | 37 |
| Metformin Hcl | 125 | 29 |
| Alendronate Sodium | 86 | 28 |
| Losartan Potassium | 72 | 24 |
| Empagliflozinbrand: Jardiance | 45 | — |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$303 across 10 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
- 2010-06-23
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Frequently asked questions
- What is Mayling Chau's NPI number?
- Mayling Chau's National Provider Identifier (NPI) is 1558672634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mayling Chau's specialty?
- Mayling Chau is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mayling Chau located?
- Mayling Chau's practice location on file with NPPES is 855 S Atlantic Blvd, Monterey Park, CA 91754-4735.
- What is Mayling Chau's phone number?
- The practice phone number listed in the NPPES registry for Mayling Chau is (626) 988-8087.
- Does Mayling Chau accept Medicare?
- Mayling Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mayling Chau's NPI active?
- Yes — Mayling Chau's NPI (1558672634) is active in the NPPES registry as of the last update on 2026-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.