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

Dr. Karl Christian Santiago, MD

Individual provider Pediatrics Physician · NPI 1033641287

Dr. Karl Christian Santiago, MD is a Pediatrics Physician in Boston, Massachusetts. Works from 4 locations. Licensed in Massachusetts and Maine.

Licensed in
MA, ME
In the registry since
2017
Specialties on file
2
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Show map & directions

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

Additional practice locations (3)

  • 75 Bickford St, Jamaica Plain, MA 02130-1401 — (617) 971-2100
  • 9 Fahy St, Belfast, ME 04915-6028 — (207) 505-3600
  • 15 Anchor Dr Ste 103, Rockport, ME 04856-3847 — (207) 301-5600

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 1023807 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence MD24103 (ME)

Record details

NPI number1033641287
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2017
Last updated in NPPESMay 12, 2025
Certification dateMay 12, 2025

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