Cassandra Sia, DPT
NPI 1043649387 · Orthopedic Physical Therapist · Artesia, CA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Sia, DPT is a Orthopedic Physical Therapist provider in Artesia, CA (NPI 1043649387).
Provider details
- NPI number
- 1043649387
- Entity type
- Individual
- Primary specialty
- Orthopedic Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- No
- License
- 40669 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,929 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 592 | $25 |
| Therapy Procedure Using Functional Activities97530 | 484 | $34 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 475 | $21 |
| Therapy Procedure in a Group Setting97150 | 272 | $14 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 54 | $32 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 27 | $109 |
Practice location
Mailing address
Additional practice locations (1)
- 18377 Beach Blvd Ste 216Huntington Beach, CA 92648-1349Phone: (714) 848-8318
Registry dates
- Enumerated
- 2013-11-07
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Cassandra Sia's NPI number?
- Cassandra Sia's National Provider Identifier (NPI) is 1043649387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Sia's specialty?
- Cassandra Sia is listed in the NPPES registry with a primary specialty of Orthopedic Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Cassandra Sia located?
- Cassandra Sia's practice location on file with NPPES is 11700 South St Ste 200, Artesia, CA 90701-6619.
- What is Cassandra Sia's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Sia is (562) 468-0088.
- Does Cassandra Sia accept Medicare?
- Cassandra Sia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Sia's NPI active?
- Yes — Cassandra Sia's NPI (1043649387) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.