Cassie Chan
NPI 1427622919 · Physician Assistant · San Marino, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassie Chan is a Physician Assistant provider in San Marino, CA (NPI 1427622919).
Provider details
- NPI number
- 1427622919
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- PA63263 (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 tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 44 | 17 |
| Lisinopril | 32 | 13 |
| Amlodipine Besylate | 31 | 13 |
| Simvastatin | 21 | — |
| Losartan Potassium | 19 | — |
| Levothyroxine Sodium | 18 | — |
| Pantoprazole Sodium | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-18
- Last updated
- 2024-06-27
- Certified
- 2024-06-27
Frequently asked questions
- What is Cassie Chan's NPI number?
- Cassie Chan's National Provider Identifier (NPI) is 1427622919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassie Chan's specialty?
- Cassie Chan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassie Chan located?
- Cassie Chan's practice location on file with NPPES is 2233 Huntington Dr Ste 10, San Marino, CA 91108-2655.
- What is Cassie Chan's phone number?
- The practice phone number listed in the NPPES registry for Cassie Chan is (626) 796-0821.
- Does Cassie Chan accept Medicare?
- Cassie Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassie Chan's NPI active?
- Yes — Cassie Chan's NPI (1427622919) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.