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

Karin Ingrid Hjalmarson, MD

Individual provider Internal Medicine Physician · NPI 1811987225

Karin Ingrid Hjalmarson, MD is an Infectious Disease in Chestnut Hill, Massachusetts. Qualified in 2001, 25 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida and Massachusetts.

Years since qualifying
25
Licensed in
FL, MA
In the registry since
2005
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

822 Boylston St Ste 102
Chestnut Hill, MA 02467-2595
Phone: (617) 396-8866
Fax: (617) 505-6102
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 224129 (MA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence ME109711 (FL)

Record details

NPI number1811987225
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 26, 2005
Last updated in NPPESNovember 10, 2015

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Chestnut Hill