Joanne Hsu, MD, PHD
NPI 1336726553 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Hsu, MD, PHD is a Internal Medicine Physician provider in Boston, MA (NPI 1336726553).
Provider details
- NPI number
- 1336726553
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 288057 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$175 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-25
- Last updated
- 2025-02-07
- Certified
- 2025-02-06
Frequently asked questions
- What is Joanne Hsu's NPI number?
- Joanne Hsu's National Provider Identifier (NPI) is 1336726553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Hsu's specialty?
- Joanne Hsu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Hsu located?
- Joanne Hsu's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Joanne Hsu's phone number?
- The practice phone number listed in the NPPES registry for Joanne Hsu is (617) 732-5775.
- Does Joanne Hsu accept Medicare?
- Joanne Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Hsu's NPI active?
- Yes — Joanne Hsu's NPI (1336726553) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.