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

Dr. Alfred John Casillan, MD, PHD

Individual provider Surgery Physician · NPI 1205956935

Dr. Alfred John Casillan, MD, PHD is a Thoracic Surgery in Baltimore, Maryland. Qualified in 2006, 20 years ago. Practices with Johns Hopkins University, a 2,855-clinician group and works from 2 locations. Licensed in Illinois, Kansas and Maryland.

Years since qualifying
20
Licensed in
IL, KS, MD
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

600 N Wolfe St
Baltimore, MD 21287-0005
Phone: (410) 614-3892
Fax: (410) 500-4248
Show map & directions

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

Additional practice locations (1)

  • 619 E Mason St Ste 4p57, Springfield, IL 62701 — (217) 788-0706

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence D92159 (MD)
Surgery Physician Taxonomy 208600000X · Licence 94-06527 (KS)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036128318 (IL)

Record details

NPI number1205956935
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESJune 2, 2022
Certification dateJune 2, 2022

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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