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

Donald J. Osada, PA

Individual provider Physician Assistant · NPI 1801099015

Donald J. Osada, PA is a Physician Assistant in Springfield, Massachusetts. Qualified in 2005, 21 years ago. Practices with Mercy Inpatient Medical Associates Inc, a 59-clinician group and accepts Medicare assignment. Licensed in Connecticut and Massachusetts.

Years since qualifying
21
Licensed in
CT, MA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

759 Chestnut St
Springfield, MA 01199-1619
Phone: (413) 794-5550
Fax: (413) 794-9294
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 2048 (MA)
Physician Assistant Taxonomy 363A00000X · Licence 001666 (CT)

Record details

NPI number1801099015
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 6, 2007
Last updated in NPPESApril 13, 2012

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mercy Inpatient Medical Associates Inc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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