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

John Howard Davidson, PA

Individual provider Physician Assistant · NPI 1043480056

John Howard Davidson, PA is a Physician Assistant in Carbondale, Illinois. Works from 4 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
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.

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Practice location Address checks out

405 W Jackson St
Carbondale, IL 62901-1462
Phone: (618) 549-0721
Fax: (618) 457-0469
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 201 S 14th St, Herrin, IL 62948-3631 — (618) 942-2171
  • 2 S Hospital Dr, Murphysboro, IL 62966-3333 — (618) 684-3156
  • 16091 Swingley Ridge Rd, Chesterfield, MO 63017-2056 — (636) 728-2200

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085001572 (IL)
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1043480056
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedMarch 5, 2008
Last updated in NPPESJanuary 11, 2021
Certification dateJanuary 11, 2021
Mailing address16091 Swingley Ridge Rd, Suite #100, Chesterfield, MO 63017-2056

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