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

Dr. Howard S An, MD

Individual provider Orthopaedic Surgery of the Spine Physician · NPI 1255310157

Dr. Howard S An, MD is an Orthopaedic Surgery of the Spine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
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

1611 W Harrison St # 400
Chicago, IL 60612-3841
Phone: (312) 243-4244
Fax: (312) 942-1517
Show map & directions

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

Specialties & licences

Orthopaedic Surgery of the Spine Physician (primary) Taxonomy 207XS0117X · Licence 036096491 (IL)

Record details

NPI number1255310157
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 10, 2006
Last updated in NPPESSeptember 19, 2018

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