Howard AnMD
Orthopedic Spine Surgery·Chicago, IL
Howard An, MD is an Orthopedic Spine Surgery provider in Chicago, IL, as of July 2026.
- NPI1255310157
- Registered2006
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Howard An at a glance
- Provider
- Howard An
- Credential
- MD
- Specialty
- Orthopaedic Surgery of the Spine
- Procedures
- Orthopedic Spine Surgery CPT codes
- Location
- Chicago, IL
- NPI registered
- 2006
- NPI
- 1255310157
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Howard An practice?
Howard An, MD is based in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Howard An's NPI number?
Howard An's National Provider Identifier (NPI) is 1255310157, registered in 2006. Specialty on record: Orthopaedic Surgery of the Spine; credential MD.
How many Orthopedic Spine Surgery providers in Illinois work at ambulatory surgery centers?
3 Orthopedic Spine Surgery surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Howard An among them. The Illinois Orthopedic Spine Surgery directory lists each one by city with credential, NPI, and center affiliations.
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