Timothy D Grinnell, PA-C

Physician Assistant

Waltham, MA

Specialty

Physician Assistant

Credential

PA-C

NPI

1790828119

Affiliated Facility

Boston Outpatient Surgical Suites Llc

840 Winter St., Waltham, MA 02451

(781) 895-4901

Medicare★ 4.9 Google (337)95% Patient Rating

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About this profile: Surgeon information is sourced from the CMS National Plan and Provider Enumeration System (NPPES) NPI Registry and reflects the practice address on file as of February 2026. Facility affiliation is based on matching practice address to CMS-certified ambulatory surgery center locations.

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Physician Assistant

This surgeon specializes in physician assistant procedures performed in an outpatient ambulatory surgical setting.

NUCC Taxonomy: 363A00000X

Affiliated Surgery Center

Boston Outpatient Surgical Suites Llc

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