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

Rachel Nicole Mittelstaedt, MD

Individual provider Internal Medicine Physician · NPI 1518323815

Rachel Nicole Mittelstaedt, MD is an Infectious Disease in Boston, Massachusetts. Graduated from Johns Hopkins University School of Medicine in 2018, 8 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Maryland.

Years since qualifying
8
Trained at
Johns Hopkins University School of Medicine
Licensed in
MA, MD
In the registry since
2016
Specialties on file
3
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

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 726-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 293846 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0091130 (MD)
Hospitalist Physician Taxonomy 208M00000X · Licence D91130 (MD)

Record details

NPI number1518323815
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2016
Last updated in NPPESSeptember 1, 2023
Certification dateSeptember 1, 2023

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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