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

Mr. Nikolas W Rivera, PA

Individual provider Physician Assistant · NPI 1861136186

Mr. Nikolas W Rivera, PA is a Physician Assistant in Boston, Massachusetts. Qualified in 2022, 4 years ago. Practices with Dana-Farber Cancer Institute, Inc, a 668-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
4
Licensed in
MA
In the registry since
2022
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

450 Brookline Ave
Boston, MA 02215-5450
Phone: (617) 632-3352
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA9304 (MA)

Record details

NPI number1861136186
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedApril 22, 2022
Last updated in NPPESJanuary 31, 2026
Certification dateJanuary 31, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Dana-Farber Cancer Institute, Inc. — 668 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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