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

Individual provider Anesthesiology Physician · NPI 1891794475

John Ken Lee, DO is an Anesthesiology in Barrington, Illinois. Qualified in 2001, 25 years ago. Practices with Barrington Anesthesia Associates, SC, a 20-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2005
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

450 W Highway 22
Barrington, IL 60010-7509
Phone: (847) 381-9600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036113245 (IL)

Record details

NPI number1891794475
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 18, 2005
Last updated in NPPESDecember 22, 2021
Certification dateDecember 21, 2021
Mailing address8135 N Milwaukee Ave, Niles, IL 60714-2828

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesINTERVENTIONAL PAIN MANAGEMENT
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Barrington Anesthesia Associates, Sc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Barrington