CASEY CHIU
NPI 1518301191
Emergency Medicine in Westerly, RI
About Casey Chiu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY CHIU (NPI 1518301191) is an individual emergency medicine provider in Westerly, Rhode Island, licensed in Rhode Island (MD15911) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with South County Hospital Inc, and maintains a secondary practice location in Wakefield.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Casey Chiu is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Casey Chiu reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westerly, RI 02891
- Reassigned Medicare billing, Rhode Island enrollment
- 32 clinicians in this Medicare group
New London, CT 06320
- Reassigned Medicare billing, Connecticut enrollment
- 65 clinicians in this Medicare group
Wakefield, RI 02879
- Reassigned Medicare billing, Rhode Island enrollment
- 67 clinicians in this Medicare group
North Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 83 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 356 clinicians in this Medicare group
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Emergency Care Services Of Pennsylvania PC
- 329 clinicians in this Medicare group
Binghamton, NY 13905
- Reassigned Medicare billing, New York enrollment
- 110 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South County Hospital Inc
Acute Care Hospitals · Wakefield, RIWesterly Hospital
Acute Care Hospitals · Westerly, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02891 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Casey Chiu's NPI number?
The NPI number for Casey Chiu is 1518301191. It was assigned to this individual provider in the NPPES registry on April 25, 2013.
Where is Casey Chiu located?
Casey Chiu practices at 25 Wells St, Westerly, RI 02891. The listed phone number is (401) 596-6000.
What is Casey Chiu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Casey Chiu enrolled in Medicare?
Yes. Casey Chiu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Casey Chiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Chiu reassigns Medicare benefits to 9 organizations: Lmw Healthcare Inc. (Westerly, RI), Lawrence And Memorial Hospital, Inc. (New London, CT), Emergency Physician Associates Of New England PC (Wakefield, RI), Emergency Care Services Of New England PC (North Providence, RI), North Shore-Lij Medical PC (Great Neck, NY) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Casey Chiu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Casey Chiu affiliated with any hospitals?
According to CMS data, Casey Chiu is affiliated with South County Hospital Inc and Westerly Hospital.
When was this NPI record last updated?
The NPPES record for Casey Chiu was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Casey Chiu · NPI 1518301191
Emergency Medicine physician in Westerly, Rhode Island. Individual provider, active in the CMS NPPES registry since April 25, 2013.
## Identity
- **NPI:** 1518301191 (Entity type: Individual)
- **Enumerated:** April 25, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD15911 (Rhode Island)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 WELLS ST, Westerly, RI 02891-2922
- **Phone:** (401) 596-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Lmw Healthcare Inc. (NPI 1447595368, Westerly, RI); Lawrence And Memorial Hospital, Inc. (NPI 1073530879, New London, CT); Emergency Physician Associates Of New England PC (NPI 1427381052, Wakefield, RI); Emergency Care Services Of New England PC (NPI 1639537335, North Providence, RI); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1518301191) · Data from the CMS NPPES public registry.