William FeinsteinM.D.
Orthopedic Surgery·Saint Louis, MO
William Feinstein, M.D. is an Orthopedic Surgery provider in Saint Louis, MO affiliated with 1 ambulatory surgery center in MO, as of July 2026.
- NPI1144373341
- Registered2007
- Centers1
- StateMO
- Class of1993
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
William Feinstein at a glance
- Provider
- William Feinstein
- Credential
- M.D.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Saint Louis, MO
- Medical school
- Saint Louis University School of Medicine
- Graduated
- 1993
- NPI registered
- 2007
- NPI
- 1144373341
- 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 William Feinstein practice?
William Feinstein, M.D. is based in Saint Louis, MO and is affiliated with 1 ambulatory surgery center: Manchester Ambulatory Surgery Center Lp Dba Des Peres Square Surgery Center in Saint Louis, MO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William Feinstein's NPI number?
William Feinstein's National Provider Identifier (NPI) is 1144373341, registered in 2007. Specialty on record: Orthopedic Surgery; credential M.D.
Where did William Feinstein go to medical school?
William Feinstein, M.D. attended Saint Louis University School of Medicine, graduating in 1993.
How many Orthopedic Surgery providers in Missouri work at ambulatory surgery centers?
87 Orthopedic Surgery surgeons and proceduralists in Missouri are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, William Feinstein among them. The Missouri Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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