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

Katrina Klaus, DO

Individual provider Internal Medicine Physician · NPI 1295841427

Katrina Klaus, DO is an Internal Medicine in Wellesley, Massachusetts. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2004, 22 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New Hampshire.

Years since qualifying
22
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
MA, NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

230 Worcester St Internal Medicine
Wellesley, MA 02481-5420
Phone: (781) 431-5420
Fax: (781) 431-5465
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 230582 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence RT 1326 (NH)

Record details

NPI number1295841427
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESNovember 16, 2020
Certification dateNovember 16, 2020
Mailing address230 Worcester St, Internal Medicine, Wellesley, MA 02481-5420

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2004 (22 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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