Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Hillary Claire Tsibris, MD

Individual provider Internal Medicine Physician · NPI 1760745012

Hillary Claire Tsibris, MD practises Dermatology in Boston, Massachusetts. Graduated from Harvard Medical School in 2012, 14 years ago. Practices with Dana-Farber Cancer Institute, Inc, a 668-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
14
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2012
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

221 Longwood Ave
Boston, MA 02115-5804
Phone: (617) 732-4918
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 50 Staniford St, Boston, MA 02114-2517 — (617) 726-2914

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 265686 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 251433 (MA)
Dermatology Physician Taxonomy 207N00000X · Licence 251433 (MA)

Record details

NPI number1760745012
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2012
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2012 (14 years in practice)
Group practice Dana-Farber Cancer Institute, Inc. — 668 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 525 times · 87th percentile
Skin biopsy 199 times · 85th percentile
Melanoma (skin cancer) excision 40 times · 84th percentile
Removal or shaving of skin growth 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients501
Services billed 2,122 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 hospital, which CMS identifies by certification number only.

Colleagues at Dana-Farber Cancer Institute, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 668 clinicians in the practice; 12 are shown here.

Other providers in Boston