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

Individual provider Physician Assistant · NPI 1497762793

Mr. Matthew Brent Callen, PA is a Physician Assistant in Saint Louis, Missouri. Qualified in 2003, 23 years ago. Practices with Mercy Clinic Springfield Communities, a 1,126-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
23
Licensed in
MO
In the registry since
2006
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

1 Childrens Pl Ste 4E
Saint Louis, MO 63110-1002
Phone: (314) 454-2810
Fax: (314) 454-2818
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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 2004002147 (MO)

Record details

NPI number1497762793
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESJuly 15, 2008

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Mercy Clinic Springfield Communities — 1126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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