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

Individual provider Emergency Medicine Physician · NPI 1639182397

Dr. John Marshll Croushorn, MD is an Emergency Medicine in Birmingham, Alabama. Graduated from University of South Alabama College of Medicine in 2002, 24 years ago. Practices with Alteon Health Alabama, LLC, a 42-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
24
Trained at
University of South Alabama College of Medicine
Licensed in
AL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

800 Montclair Rd
Birmingham, AL 35213-1908
Phone: (205) 592-1400
Fax: (205) 592-5159
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 25971 (AL)

Record details

NPI number1639182397
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESJuly 9, 2007
Mailing address1200 Corporate Dr, Suite 230, Birmingham, AL 35242-2941

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTH ALABAMA COLLEGE OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Alteon Health Alabama, Llc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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