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

Individual provider Internal Medicine Physician · NPI 1508822867

Karen Theo Isselbacher, MD is an Internal Medicine in Wellesley, Massachusetts. Graduated from Boston University School of Medicine in 1985, 41 years ago. Practices with Private Health Care Group, LLC, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
41
Trained at
Boston University School of Medicine
Licensed in
MA
In the registry since
2006
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

70 Hastings St
Wellesley, MA 02481-5439
Phone: (781) 444-3550
Fax: (781) 444-3551
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 59434 (MA)

Record details

NPI number1508822867
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESJanuary 23, 2024
Certification dateJanuary 23, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Private Health Care Group, Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Wellesley