MR. STEVEN HSU M.D.
NPI 1669615324
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Baltimore, MD
About Mr. Steven Hsu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEVEN HSU M.D. (NPI 1669615324) is an individual advanced heart failure and transplant cardiology provider in Baltimore, Maryland, licensed in Maryland (D0075120) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Johns Hopkins University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Steven Hsu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Steven Hsu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1922581412 (Maryland)
- 39 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 10
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDSuburban Hospital
Acute Care Hospitals · Bethesda, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Steven Hsu's NPI number?
The NPI number for Steven Hsu is 1669615324. It was assigned to this individual provider in the NPPES registry on April 10, 2009.
Where is Steven Hsu located?
Steven Hsu practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-7963.
What is Steven Hsu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.
Is Steven Hsu enrolled in Medicare?
Yes. Steven Hsu is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Steven Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Hsu reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). 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 Steven Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Hsu affiliated with any hospitals?
According to CMS data, Steven Hsu is affiliated with Johns Hopkins Hospital, The and Suburban Hospital.
When was this NPI record last updated?
The NPPES record for Steven Hsu was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Mr. Steven Hsu, M.D. · NPI 1669615324
Advanced Heart Failure and Transplant Cardiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 10, 2009.
## Identity
- **NPI:** 1669615324 (Entity type: Individual)
- **Enumerated:** April 10, 2009
- **Primary specialty:** Internal Medicine - Advanced Heart Failure and Transplant Cardiology · taxonomy 207RA0001X
- **State license:** D0075120 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-7963
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1922581412, Baltimore, MD); Johns Hopkins University (NPI 1801891080, Baltimore, MD); Johns Hopkins University (NPI 1013913789, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 4, 2025
- **Other identifiers:** Medicaid 067060000 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1669615324) · Data from the CMS NPPES public registry.