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

Dr. Joseph Jason Grassino, DMS, PA-C

Individual provider Medical Physician Assistant · NPI 1215202510

Dr. Joseph Jason Grassino, DMS, PA-C is a Physician Assistant in Chesterfield, Missouri. Qualified in 2011, 15 years ago. Accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
15
Licensed in
MO
In the registry since
2012
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

14561 N Outer 40 Rd Ste 201
Chesterfield, MO 63017-5703
Phone: (314) 881-4280
Fax: (314) 881-4296
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 2012008459 (MO)
Medical Physician Assistant Taxonomy 363AM0700X · Licence 2012008459 (MO)

Record details

NPI number1215202510
Entity typeIndividual (Type 1)
GenderMale
Credentials DMS , PA-C
Sole proprietorNo
NPI enumeratedMarch 20, 2012
Last updated in NPPESOctober 21, 2024
Certification dateOctober 21, 2024

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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