DOUGLAS HSU
NPI 1174795132
Internal Medicine - Critical Care Medicine in Nashville, TN
About Douglas Hsu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS HSU (NPI 1174795132) is an individual critical care medicine provider in Nashville, Tennessee, licensed in Massachusetts (245934) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
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
Douglas Hsu 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
5Medicare enrollment records show Douglas Hsu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Cambridge, MA 02138
- Reassigned Medicare billing, Massachusetts enrollment
- 423 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 346 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37206 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 Douglas Hsu's NPI number?
The NPI number for Douglas Hsu is 1174795132. It was assigned to this individual provider in the NPPES registry on March 31, 2008.
Where is Douglas Hsu located?
Douglas Hsu practices at 926 Main St, Nashville, TN 37206. The listed phone number is (615) 436-9060.
What is Douglas Hsu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Douglas Hsu enrolled in Medicare?
Yes. Douglas Hsu 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 Douglas Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Hsu reassigns Medicare benefits to 5 organizations: Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Mount Auburn Professional Services Inc (Cambridge, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA). 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 Douglas Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Douglas Hsu affiliated with any hospitals?
According to CMS data, Douglas Hsu is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Douglas Hsu was last updated on March 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Douglas Hsu · NPI 1174795132
Critical Care Medicine physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since March 31, 2008.
## Identity
- **NPI:** 1174795132 (Entity type: Individual)
- **Enumerated:** March 31, 2008
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 245934 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 926 MAIN ST, Nashville, TN 37206-3614
- **Phone:** (615) 436-9060
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Mount Auburn Professional Services Inc (NPI 1992750996, Cambridge, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1497151773, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1174795132) · Data from the CMS NPPES public registry.