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

Dr. William Detlev Rittmeyer, DO

Individual provider Anesthesiology Physician · NPI 1770088189

Dr. William Detlev Rittmeyer, DO is an Anesthesiology in Libertyville, Illinois. Qualified in 2018, 8 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2018
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

890 Garfield Ave Ste 103
Libertyville, IL 60048-3100
Phone: (847) 279-0061
Fax: (847) 279-0069
Show map & directions

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

Additional practice locations (1)

  • 1750 W Harrison St Ste 720, Chicago, IL 60612-3825 — (888) 352-7874

Specialties & licences

Interventional Pain Medicine Physician (primary) Taxonomy 208VP0014X · Licence 036.158666 (IL)
Anesthesiology Physician Taxonomy 207L00000X · Licence 036.158666 (IL)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence 036.158666 (IL)

Record details

NPI number1770088189
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 27, 2018
Last updated in NPPESMay 22, 2025
Certification dateMay 22, 2025
Mailing address29373 Network Pl, Chicago, IL 60673-1293

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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