William RittmeyerDO
Anesthesiology·Libertyville, IL
William Rittmeyer, DO is an Anesthesiology provider in Libertyville, IL affiliated with 5 ambulatory surgery centers in IL, as of July 2026.
- NPI1770088189
- Registered2018
- Centers5
- StateIL
- Class of2018
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.
- River North Same Day Surgery LLCChicago, IL · Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Gold Coast SurgicenterChicago, IL · Orthopedics · 30 on panelView center →
- Surgery Center At 900 N Michigan Ave LLCChicago, IL · Gastroenterology, Ophthalmology, Pain management · 30 on panelView center →
- Hyde Park Surgical Center Dba Hyde Park Same Day SurgicenterChicago, IL · Ophthalmology · 14 on panelView center →
- Rush Surgicenter At The Professional Building LTD Partnership Dba Rush Surgicenter LTD PartnershipChicago, IL · Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
William Rittmeyer at a glance
- Provider
- William Rittmeyer
- Credential
- DO
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Libertyville, IL
- Medical school graduation
- 2018
- NPI registered
- 2018
- NPI
- 1770088189
- 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 Rittmeyer practice?
William Rittmeyer, DO is based in Libertyville, IL and is affiliated with 5 ambulatory surgery centers: River North Same Day Surgery LLC in Chicago, IL, Gold Coast Surgicenter in Chicago, IL, Surgery Center At 900 N Michigan Ave LLC in Chicago, IL, Hyde Park Surgical Center Dba Hyde Park Same Day Surgicenter in Chicago, IL, and Rush Surgicenter At The Professional Building LTD Partnership Dba Rush Surgicenter LTD Partnership in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William Rittmeyer's NPI number?
William Rittmeyer's National Provider Identifier (NPI) is 1770088189, registered in 2018. Specialty on record: Anesthesiology; credential DO.
How many Anesthesiology providers in Illinois work at ambulatory surgery centers?
43 Anesthesiology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, William Rittmeyer among them. The Illinois Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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