Peter Hsu, M.D.
Hematology/Oncology · Internal Medicine · Pediatric Medicine (CMS) · Boston, MA
At a glance
300 Longwood Ave, Boston, MA 02115-5724
NPPES record updated Mar 1, 2021. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
300 Longwood AveBoston, MA 02115-5724
Additional reported practice locations
2142 N Cove BlvdToledo, OH 436063895
Phone: 4192914000 2142 N Cove Blvd
Toledo, OH 436063895
Phone: 4192914000 1224 Trotwood Ave
Columbia, TN 384014802
Phone: 3302812305 1211 22Nd Ave
Nashville, TN 372323895
Phone: 6153225000
Education & affiliations
- Medical / professional school
- Northeastern Ohio University College Of Medicine
- Graduation year
- 2012
- CMS specialties
- Hematology/Oncology · Internal Medicine · Pediatric Medicine
Practice groups
- Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is
- Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
- Hospitalist Physicians Of Massachusetts Pc
- Massachusetts Acute Care Specialists Pc
Reported hospital affiliations
- Beth Israel Deaconess Hospital - Milton Milton, MA
- Beth Israel Deaconess Hospital - Needham Needham, MA
- Beth Israel Deaconess Medical Center Boston, MA
- Metrowest Medical Center Framingham, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hematology/Oncology · Internal Medicine · Pediatric Medicine (CMS)
- Taxonomy code
- 2080P0207X
- Enumeration date
- Apr 20, 2012
- Record updated
- Mar 1, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 35-125390 OH
207R00000X
License reported: 54683 TN
2080P0207X · Primary
License reported: 285014 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
300 Longwood AveBoston, MA 02115-5724
- Phone
- (617) 355-6000
Mailing address
300 LONGWOOD AVEBOSTON, MA 021155724
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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