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

Andreas K Klein, MD

Individual provider Hematology & Oncology Physician · NPI 1285740969

Andreas K Klein, MD is a Hematology/Oncology in Boston, Massachusetts. Graduated from Yale University School of Medicine in 1995, 31 years ago. Practices with Pratt Medical Group Inc, a 277-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
31
Trained at
Yale 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

750 Washington St
Boston, MA 02111-1526
Phone: (617) 636-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 210690 (MA)

Record details

NPI number1285740969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2006
Last updated in NPPESAugust 13, 2024
Certification dateAugust 13, 2024

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Pratt Medical Group Inc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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