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

Mrs. Melisa Ruiz-Gutierrez, MD, PHD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1730321779

Mrs. Melisa Ruiz-Gutierrez, MD, PHD is a Pediatric Medicine in Boston, Massachusetts. Graduated from Icahn School of Medicine at Mount Sinai in 2009, 17 years ago. Practices with Children's Hospital Pediatric Associates, Inc, a 336-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
17
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
MA
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

300 Longwood Ave Karp 08215
Boston, MA 02115-5724
Phone: (617) 919-2009
Fax: (617) 730-0934
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 850 Harrison Ave # Yacc6, Boston, MA 02118-4001 — (617) 414-5946

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 265508 (MA)

Record details

NPI number1730321779
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 6, 2009
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesHEMATOLOGY, HEMATOLOGY/ONCOLOGY, MEDICAL ONCOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2009 (17 years in practice)
Group practice Children'S Hospital Pediatric Associates, Inc — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston