ALEX H HSIEH MD
NPI 1760046833
Emergency Medicine in Brockton, MA
About Alex H Hsieh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX H HSIEH MD (NPI 1760046833) is an individual emergency medicine provider in Brockton, Massachusetts, licensed in Massachusetts (292085) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Alex H Hsieh Md 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
8Medicare enrollment records show Alex Hsieh reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
North Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 83 clinicians in this Medicare group
Ayer, MA 01432
- Reassigned Medicare billing, Massachusetts enrollment
- 290 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 305 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 clinicians in this Medicare group
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- 251 clinicians in this Medicare group
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 81 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 142 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 9
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MAHoly Family Hospital
Acute Care Hospitals · Methuen, MARoger Williams Medical Center
Acute Care Hospitals · Providence, RIOur Lady Of Fatima Hospital
Acute Care Hospitals · North Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02301 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.
BROCKTON, MA 02301
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 Alex Hsieh's NPI number?
The NPI number for Alex Hsieh is 1760046833. It was assigned to this individual provider in the NPPES registry on April 24, 2019.
Where is Alex Hsieh located?
Alex Hsieh practices at 235 N Pearl St, Brockton, MA 02301. The listed phone number is (508) 427-3000.
What is Alex Hsieh's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alex Hsieh enrolled in Medicare?
Yes. Alex Hsieh 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 Alex Hsieh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Hsieh reassigns Medicare benefits to 8 organizations: Bmc Affiliated Physicians, Inc. (Boston, MA), Emergency Care Services Of New England PC (North Providence, RI), Steward Emergency Physicians, Inc (Ayer, MA), Community Medical Associates, Inc. (Lawrence, MA), Lawrence General Hospital (Lawrence, MA) and 3 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 Alex Hsieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Hsieh accept?
Health plans from WellSense Health Plan list Alex Hsieh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alex Hsieh affiliated with any hospitals?
According to CMS data, Alex Hsieh is affiliated with Anna Jaques Hospital, Holy Family Hospital, Roger Williams Medical Center and Our Lady Of Fatima Hospital.
When was this NPI record last updated?
The NPPES record for Alex Hsieh was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Alex H Hsieh, MD · NPI 1760046833
Emergency Medicine physician in Brockton, Massachusetts. Individual provider, active in the CMS NPPES registry since April 24, 2019.
## Identity
- **NPI:** 1760046833 (Entity type: Individual)
- **Enumerated:** April 24, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 292085 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 235 N PEARL ST, Brockton, MA 02301-1794
- **Phone:** (508) 427-3000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA); Emergency Care Services Of New England PC (NPI 1639537335, North Providence, RI); Steward Emergency Physicians, Inc (NPI 1780971275, Ayer, MA); Community Medical Associates, Inc. (NPI 1144544040, Lawrence, MA); Lawrence General Hospital (NPI 1477790152, Lawrence, MA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** April 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1760046833) · Data from the CMS NPPES public registry.