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

Sara Elizabeth Grosslein, PA

Individual provider Physician Assistant · NPI 1003486499

Sara Elizabeth Grosslein, PA is a Physician Assistant in Boston, Massachusetts. Qualified in 2021, 5 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment.

Years since qualifying
5
In the registry since
2021
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

55 Fruit Street White 1
Boston, MA 02114-6110
Phone: (617) 724-4100
Fax: (617) 726-7415
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1003486499
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 28, 2021
Last updated in NPPESMay 1, 2024
Certification dateMay 1, 2024

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2021 (5 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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